CosA+cosB+cosC+cos (A+B+C) = cos (A+B). cos (B+C). cos (C+A)

How many zeros are in the product (6x5) x 10 powered by 3?

Which algebraic expression is a polynomial with a degree of 5? 3x5 + 8x4y2 - 9x3y3 - 6y5 2xy4 + 4x2y3 - 6x3y2 - 7x4 8y6 + y5 - 5xy3 + 7x2y2 - x3y - 6x4 -6xy5 + 5x2y3 - x3y2 + 2x2y3 - 3xy5

If the base is greater than 0 but less than 1, then the graph will show exponential decay. True or false?

you have a bag containing five purple marbles three yellow marbles to red marbles and four blue marbles you pull one more wall what is the probability that you will pull a yellow marble give your answer in a fraction.

Equivalent ratios 15:7

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.