Use backtracking to find a subset, if it exists, of the set {27, 24, 19, 14, 11, 8} with sum:

a) 20

b) 60

How to graph y=|x-4| - 3

How did world war 2 start

A recreation center charges nonmembers $3 to use the pool and $5 to use the basketball courts. A person pays $42 to use the recreation facilities 12 times. How many times did the person use the pool?

A pilot flew a small plane against the wind 1 miles from Ashland to Roseberg in hour. The pilot returns with the wind miles to Ashland in minutes. Find the plane's speed against the wind, miles per hour.

2 - 3 (2x - 5) = 6x + 1

Write an equivalent expression without parentheses and combine terms if possible 7 (y + 7) - 11y

Solve for x. x - 2 2 + 1 = 4x - 5 3 A) x = 3 B) x = 1 C) x = - 3 D) x = - 2

Is 8.47 L greater than 10

What goes into 125 and 560 evenly

The ratio of a model car to the size of an actual car is 1:40. If the model is 4.5 inches long, what is the length of the full size car in inches and in feet?