How to find the cosine of 56°

Compact discs are on sale at Listen More to Music. John paid $45.00 for 3 CDs. Let "x" represent the price of one CD.

How many distinct triangles are for which the lengths of the sides are 5,9 and n, where n is an integer and 10 A. Two B. Three C. Four D. Five

How to formulate 2 linear equations from word problems?

How the use a parentheses in an equation affect the answer

Write an equation to represent the following: Steve rented a car for $12.00 per day plus $.25 per mile driven. His total bill was $51.00.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.