Prove tan (pi/4 x) - tan (pi/4-x) / tan (pi/4 x) tan (pi/4-x) = 2sinxcosx

Brianna's family spends $220 to rent a car for 5 days. The total cost, c, of the car rental is proportional to the number of days, d, the family rents the car. a. How much does it cost, in dollars, to rent the car for one day? b.

Marshall is making fresh tomato juice. The amount of juice he can make depends on how many tomatoes he has.

The amount of simple interest accrued on a sum of money varies jointly with the amount of money, the interest rate, and the time the money is invested. A sum of money is invested at 4% for 3 years and accrues $168 in interest.

X^2 - 2x - 63 = 0 Complete the square

What is the square root of 6474657 * 5

Julia wrote 20 letters each month for y months in a row. Write an expression to show how many total letters Julia wrote.

X^2+4x+3 factor each polynomial

Jessica bought a new shirt at the store when they were having a 15% off sale. if the regular price of the shirt was $37, how much did jessica pay with the discount?

In the following figure, the distance from one location to the next is 80 feet. What is the distance directly from Home to school? Is it the same distance as from Shop to Park?

Factor 27p-15. and im tryin to smash with thick shemale