If Anjali walks to her office at a speed of 4 km/hr, she reaches her office 8 minutes before the school time., If she walks at 3km/hr she reaches the office 7 minutes late. Find the distance from...

Two factory plants are making TV panels. Yesterday, Plant A produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2% of the panels from Plant B were defective. How...

Otis Taylor has a box of coins that he uses to play poker with. The box contains 44 coins, consisting if pennies, dimes, and quarters. The number of pennies is equal to the number of dimes, and the...

Susan Marciano invested part of her $10,000 bonus in a fund that paid a 12% profit and invest the rest in stock that suffered a 4% loss. Find the amount of each investment if her overall net profit...

Suppose the annual cost per active-duty armed service member in a certain country increased from $80,000 in 1995 to $90,000 in 2000. In 1990, there were 2 million armed service personnel and this...

The cost, c, of a health club membership is related linearly to its length in months, m. If a 12-month membership costs $260 and an 18-month membership costs $380, which equation can be used to find...

1. Find the slope of the function y=2cosxsin2x at x=π/2
2. Find the equation of the line that is tangent to y=x2sin(2x) at x=-π
3. Determine the second derivative for...

Please help! I've been having trouble solving linear equations and I need as much help as I can get! Please, go in to detail as much as you possibly can! Thank you!