Which of the following functions is equal to cos (90 - a)

A. Sec (a)

B. Tan (90 - a)

C. Csc (90 - a)

D. Sin (a)

If you deposit $800 in a savings account that earns simple interest at a rate of 1.5% per year, how much interest will you have earned after 5 years?

Y=3x+4 Is proportional

Why is any number to the power of 0 one?

The amount of a radioactive substance decreases by 10% every 12 hours. Currently the amount of substance is 100 grams. If n is a whole number, which expression represents the number of grams of substance left n days from now? A. 100 (0.81) ^n B.

Find the inverse of the function. y = 2x2 - 4

Alex knows 18% of the students surveyed at his school are dropped off by car, while 22% walk or ride bikes, and the rest ride the bus. Which table could represent this information?

Which arebPartial products for 56x31?

Solve for nn: 5n+40≥12n-32

Which product is greater 9*15 or 9*17? Explain how you can trll without finding the products.

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