Quadratic trinomials are obtained when binomial expressions are expanded. Consider the following: (x + a)(x + b) = x2 + bx + ax + ab This means that quadratic...

Quadratic trinomials are obtained when binomial expressions are expanded. Consider the following: (x + a)(x + b) = x2 + bx + ax + ab This means that quadratic...

Raina purchased a prepaid phone card for $25. Long distance calls cost 9 cents a minute using this card. Raina used her card only once to make a long distance call. If the remaining credit on...

The area of a rectangle is 15 square feet. If the width is 2 feet less than its length find the dimensions.

A car rental agency advertise renting a luxury, full-size car for $29.95 per day and $0.39 per mile. If you rent this car for 2 days, how many whole miles can you drive if you only have $200 to spend...

how many three hour and how many four hour classes were paid for?

During strenuous exercise a certain athlete can burn 9 calories per minute on a stationary bicycle and 14.5 calories per minute on a stair climber. In a 30 minute workout the athlete burns 347 calories...

Dan had $20,000 to invest. He invested some of it in an account that paid 7% simple interest per year, and he invested the rest in an account that paid 8% simple interest...

What should the length of the square be (rounded to two decimal places) to give you the maximum volume?

Find three consecutive odd integers such that four times the largest is one more than nine times the smallest integer.

i don't understand math and need help on this question so I understand math alittle more

Write an equation. For the Phrase

A total of $12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly and trust is $1180, how much of the $12,000 is invested at each rate?

A shopper's discount club charges a monthly fee of $15 and sells gasoline for $2.05 per gallon. The gas station across the street sells gasoline for $2.35 per gallon and charges no fee. How many gallons...

I need to find the shorter, longer and the hypotenuse

1-ax is width. 2x+1 is length. What expression gives the area, in square inches, of the decal, in terms of a and x?

i need help with my math homework that idk how to do

write an equation of the line that passes through the point (2,-3) and is perpendicular to the line -2x+5y=3

When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.15. After that, each additional minute or portion of a minute of that call costs $0.40. Find the...

two vehicles? How do i solve this problem step by step?

How do i solve this problem step by step?