If a bag contains 12 quarters, 6 dimes, and 18 nickles, what is the part-to-whole ratio of quarters to all coins?
a. 1: 2
b.1: 3
c.1: 4
d.1: 6

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Write the following as a base and exponent

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.