The security alarm on a parked car goes off and produces a frequency of 951 hz. the speed of sound is 343 m/s. as you drive toward this parked car, pass it, and drive away, you observe the frequency to change by 99 hz. at what speed are you driving?

What is the value of x in the proportion x + 1 / x+3 = 15 / 21 a. 4 b. 1/3 c. 1/4 d. 3

When you buy carpet you do not purchase square feet, you purchase it in square yards. Sam is redoing his office carpet and knows the dimensions of the room. The room is 9 ft by 10 ft. Find the number of square yards of carpet he needs to purchase. A.

Answer to 0.08x + (x-200)

Gina deposited her $1,200 stimulus check into an account yielding 3.4% interest compounded monthly. How much money should be in the account after 10 years? A. 1435.67 B. 1685.13 C. 1202.34

X/3 in a fraction - 4=5

What is an equivalent fraction for 1/3

Use the distributive property to simplify the expression. -7 (8x - 3) + x A. x + 10 B. - 15x + 4 C. - 9x - 4 D. - 55x + 21

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All of the following equations have the same solution except ___. 3m+2=-10 2-3m=-10. - 10=-3m+2. - 3m+2=-10

Solve the inequality for x. - 4x + 6 < 50