The pen company can make 1000 pens in a single day for a cost of $55. If each region of the country needs 90 pens, how much should each region expect to spend on pens?

Which of the following are square roots of the number below? check all that apply. 9 A. 3 B. - 9^1/2 C. 81 D. 18 E. - 3 F. 9^1/2

1. The perimeter of a rectangle is given by the expression below, where l is the length of the rectangle and w is the width. 2 (l + w) Find the perimeter of a rectangular window frame with a length of 19 inches and a width of 3 inches.

there are chickens and cows in a pasture. the farmer counts 40 heads and 100 feet. how many cows are in the pasture, and how many chickens are in the pasture?

What is the value of arc sin (1/2) ? pi/3 pi/2 pi/6 pi/4

You need to order 4 plastic cups for each of the 800 runners. plastic cups are sold in 2 different pack sizes and you must choose one type of pack only. a pack of 500 cost £12.50 and a pack of 800 costs £23.20.

Y=-9x+8 y=-10x+9 I don't know how to solve this

The data set shows the scores that a group of teenagers earned on a driver's education test. 176, 180, 215, 216, 219, 220, 224, 231, 236, 250, 264 Which data values are outliers? Select each correct answer. 176 180 250 264

In a destructive test of product quality, a briefcase manufacturer places each of a simple random sample of the day's production in a viselike device and measures how many pounds it takes to crush the case.

A basket of 40 pairs of pliers at a discount hardware store includes 5 pairs of 6 inch pliers. a second basket contains 20 hammers, including 3 large hammers.

Peter has only quarters and dimes in his coin collection. If he has three times as many quarters as dimes, which is an expression for the number of quarters he has in terms of the number of dimes?