TriangleABC has three sides with these lengths: AB=9, BC=40, and CA=41, What is the value of cos C?

nate runs 8 miles each week write an expression for the number of miles he runs in 'n' weeks find the number of miles neutrons in five weeks

A pyramid-shaped building is 63 ft tall with a square base that is 81 ft on each side. What is the volume of the building in cubic feet? In cubic yards?

Store x sells 4 cans for $2.48 Store y sells 5 cans for $3.00 Store z sells. 59 per can Which store offers the best deal and explain your reasoning

The value of a bike depreciates by 55% per year. work out the current value of a bike bought 2 years ago for £1300.

Polynomial division (-12m^2-49mn-44n^2) / (-3m-4n)

Each of the 10 players on the basketball team shot 100 free throws, and the average number of baskets made was 75. When the highest and lowest scores were eliminated, the average of baskets for the remaining 8 players was 79.

Use elimination to solve 2x+3y=4 4x+6y=-5

Divide. Write your answer in simplest form. 2/39

The price of a new home is $126,000. The value of the home appreciates 2% each year. How much will the home be worth in 10 yr?

6 * 0.9 + 0.1 : 4-0.23