The Lee's have three children. The oldest is twice as old as the youngest. The middle child is five years older than the youngest. If the sum of the ages is 57, how old is each child?

A taxi driver charges a fixed of r to a passenger. In addition, the taxi driver charges a rate of m for each mile driven. Write a formula to represent The total amount this taxi driver will charge for a trip of n miles

True or False? Is the function f (x) = (2x - 7) ^2 a one-to-one function? Select one: True False

If u saved 20% on a shirt. The amount saved was $6 what was the original price?

The quantity y varies directly as x and inversely as z. when x is 10 and z is 4, y is 15. what is y when x is 20 and z is 6? 1) 6 2) 20 3) 27 4) 30

If the slope of a straight line is 0 and the y-intercept is - 2, what is the equation of the line? A. y = - 2 B. y = x - 2 C. y = 2x D. y = 2

A calculator has 50 keys in five colors:gray, black, blue, yellow, and green. There are 6 gray keys for every 7 blue keys. write the possible ratios for gray to blue keys

A box contains 19 large marbles and 11 small marbles. Each marble is either green or white. 6 of the large marbles are green, and 5 of the small marbles are white.

What is 63 in lowest terms

A rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half an hour. Which animal is faster, and how much

Karen has 4h storybooks. Karen's storybook collection is 2/3 of what Mary's collection is. How many storybooks do they have in all,