it is for a test that i do not understand

it is for a test that i do not understand

point (k,-3) lies on the line whose equation is x-2y=-2. What is the value of k?

I have 60 coins totaling $4.80. How many of each type coin do I have

Keisha purchased a prepaid phone card for $20. Long distance calls cost 21 cents a minute using this card. Keisha used her card only once to make a long distance call. If the remaining credit...

its very complicated

The population of Succasunna? NJ was 11?171 in 2000. The estimated growth is 2.1% every 4 years. What is the estimated population in the year... 2020 2001 this...

A box contains nickels, dimes and quarters. There are twice as many dimes as quarters and the number of nickels is two less than the number of dimes. How many of each type of coin is in the box?...

y is 5 less than the product of 4 and x

The soccer team is planning to sell health bars for a fundraiser. The prices of purchasing health bars from two different companies are represented by the system of equations shown, where x is the...

Tom spent $56 at the store. He bought 2 shirts at $12 each and a jacket. How much was the jacket?

find the domain of the given function

Two is greater than the sum of 3 and one-fourth of a number

Samuel has $75.20 and he purchased two CDs for $5.50 each and one CD player for $29.98. How much of the $75.20 does he have left after these purchases

thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Two cars are 261 miles apart and travel toward each other on the same road. They meet in 3 hours. One car travels 3 mph faster than the other. What is the average speed of each car?

Find the equation

you have $15 in savings. Your friend has $25 in savings. you both start saving $5 per week. Write a system of linear equations that represents this situation. Will you ever have the same amount of...

Rachel had brochures printed for her new business venture. She originally ordered 4 boxes of black-and-white brochures and 3 boxes of color brochures, which cost a total of $127. After those ran out,...

Algebra 1 function notations

the equation has to include at lest 1 decimal and x has to equal21