If the standard deviation of the data values in a sample is 19, what is the variance of the data values?

Rectangle A measured by 3 inches. Rectangle B is a scaled copy of rectangle A. Select all of the measures pairs that could be the dimensions of rectangle B. A. 4.5 inches by 1.5 B. 8 inches by 2 inches D. 13.5 inches by 4.5 inches E.

What are equivalent to2x+4

Each octagon has eight sides. How many sides (S) does z octagons have?

A pencil costs $0.25 more than an eraser. if the cost of eight pencils is $6.80, what is the cost of one eraser?

Given the system of inequalities: 4x - 5y ≤ 1 1/2y - x ≤ 3 /Which shows the given inequalities in slope-intercept form? A) y ≤ 4/5x - 1/5 y ≤ 2x + 6 B) y ≥ 4/5x - 1/5 y ≤ 2x + 6 C) y ≥ 4/5x + 1/5 y ≥ 2x + 6

Find the slope for the following line: y = 3/4 x - 7 A. - 7 B. 7 C. 3/4 D. - 4/3

What is the radius of a circle with circumference 13 ft

Bills furrier marks up mink coats $3000. this represents a 50% mark up cost. what is the cost of the coats?

Four-fifteenths of an airlines flights at international. The airlines flights are equally divided among 12 countries. What fraction of the airlines flights are to each country?

Anne sold 20 gallons of lemonade carol sold 10 fewer quarts how many quarts did carol sell