What is the equation for the law of cosines?

Find the exponential function that satisfies the given conditions: Initial value = 70, decreasing at a rate of 0.43% per week

Given the following information, determine if one of the brands is a better buy. Brand A: 14 ounces for $44.66 Brand B: 20 ounces for $63.80 a. Both brands cost the same per ounce. b. Brand A is the better buy. c. Brand B is the better buy. d.

In choosing a vacation spot you narrow down your choice to two states each of which has 12 counties and each county has 15 cities how many different cities is it possible for you to visit

How do you solve veriables?

720:90=72 tens : 9 tens = what?

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.