in a batch of 280 water purifiers, 12 were found to be defective. what is the probability that a water purifier chosen at random will be defective.

What is 1,056 : 37=

Which division problem would have an estimated quotient of 3.5 if the divisor and dividend were rounded to the nearest whole number? 7.8 divided by 27.7 or 20.6 divided by 70.19 or 5.9 divided by 21.96 or 15.47 divided by 56.4

How does solving absolute value inequalities relate to solving compound inequalities?

A line parallel to a triangle's side splits AB into lengths of x - 6 and x + 1. The other side, AC, is split into lengths of x and x + 21. What is the length of AC?

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

What percentage of a data set is represented as Q1?

Danielle can solve 4 problems in 12 minutes. At this rate, how many can she do in 18 minutes?

B more than the product of c and 10

The length of a rectangle is 4 centimeters more than twice its width. If the perimeter of the rectangle is 86 centimeters, find the dimensions of the rectangle

A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. What is the volume of the rock? 11 cm 20 cm 50 cm none of the above