Elena ate 1/5 cookies of a bag. If the bag had 25 cookies. How many cookies does Elena ate?

Melanie is reading a book that is 300 pages long. If she has read 210 pages of the book, what percent of the book has she read?

A sequence is defined by the formula f (n 1) = f (n) - 3. if f (4) = 22, what is f (1) ?

a paramedic stocks ambulance with 4 boxes of gauze., each box contains 12 gauze pads. they use 28 pafs. what fraction represents the number of gauze pads left?

How do you solve b+4/7=-3

Nine minus 3 and 3/8

How many numbers between 1 and 101 are evenly divisible by 4 but not by 8?

A rectangle is 12.5 meters long and 11.1 meters wide. what is its perimeter? a. 23.6 meters b. 22.2 meters c. 25 meters d. 47.2 meters

Seth has just decided to replace his computer. His old computer cost him $1,433 when he bought it exactly seven years ago. Seth paid for it with his credit card, which has an APR of 11.70%, compounded monthly.

The line of symmetry of the parabola whose equation is y = ax^2 - 4x + 3 is x = - 2. What is the value of "a"?

The weights of extra-large eggs have a normal distribution with a mean of 1 ounces and a standard deviation of 0.1 ounces. what is the sampling distribution of the sample mean weight of the eggs in a randomly selected carton of a dozen eggs? n (1, 0.