Find the constant of variation k for the direct variation 4x = - y

A car loses value each year the value of the car (t) years ‏ can be modeled using the function f (t) = 15000 (0.85) ^t. If Elizabeth wants to sell her car in 2 1/3 years what will the cars value be when she sells it?

A candle company can make 360 candles in 8 hours. How many candles are made per hour?

Write a verbal expression for 3m-8n/13

141/2 divided by 41/2

Which number is an irrational number? A. 36/16 sqrt b. 16/6sqrt c. 6sqrt d. 36/6 sqrt

rose buys 5 packs of cigarettes a week and each pack cost $5.50. if she quit smoking and saved the money, how long would it take her to pay for tuition for one college-level course?

Given sin (theta) = -1, find sec (theta) a. - 1 b. 0 c. 1 d. undefined Given cos (theta) = 1, find (theta) a. 90° b. 270° c. 0° d. 180°

Gavyn drives at a speed of 50 miles per hour. How long will it take to drive 225 miles?

Whats the answer to 8x+x=18

Evaluate the factorial expression. 200!/199!