Assume that 0 < x < pi/2 and 0 < y < pi/2. Find the exact value of cos (x-y) if cos (x) = 3/5 and cos (y) = 4/5

a. 25/24

b. - 25/24

c. 24/25

d. - 24/25

Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 105 foreign coins. Find how many coins Mary has.

Serena paid a tax of $288 on a house assessed at $48,000. Using the same tax rate, find the tax on a house assessed at $59,000.

The graph shows the amount of money the Phillips family spent each month on groceries. When did the smallest month-to-month increase in spending occur? A. September-October B. April-May C. May-June D. August-September

A bottle holds 3/5 liter of water. Sam needs 8 full bottles of water to fill his fish tank. how many liters does Sam need to fill the fish tank?

What is 9/4 equivalent mixed number

What is the greatest common factor of the terms of the polynomial - 15^4+12y^2-9y

Matching: write in the correct letter. line segment AB Ray AB The length of line segment AB Line AB answer options a) AB b) AB with a line above it. c) AB with a line above it going only left. d) AB with a line with both arrows on either side.

An office building has 32 office on its eight floors. How many offices are on each floor? Wirte a multiplication number model to represent the problem Write a division number model to represent the problem Slove the problem Draw a visual model

Mr. Hollins determines that he gives 800 dollers each month if he gives away 16percent of his budget how much is his overall budget

the ratio of the masses of flour in two bags is 5 : 7 the heaver bag contains 1,120 grams of flour. What is the total masses of flour in both bags?