A textbook store sold a combined total of 309 sociology and history textbooks in a week. The number of sociology textbooks sold was two times the number of history textbooks sold. How many textbooks of each type were sold?

In order to determine whether or not a variable type of process is in control (whereoutput can be measured, not just classified in a binary fashion-i. e., good or bad), you must use which type of chart (s) ? (Check all that apply.

Hree of compet Figures Our Love How many square feet of outdoor carpet will we need for this hole? 8 ft 3 ft 12 ft 4 ft

What is the scientific notation of 0.0000855

How do I do 2/13*2/16

On a test Matilda answered 12 out of the first 15 correctly. If this rate continues how many of the next 25 problems will she answer correctly?

5y - 3z + 4y - 1z - 3y; y = 3 and z = - 2

An architect represents a 9 inch height as inch on a scale drawing. Which of the following scales did the architect use? 1 foot = inch 1 foot = inch 1 foot = inch 1 foot = inch

86% of senators support a bill. What fraction of senators support the bill?

Lettuce is packaged in four bags to a box. if there are 3.5 boxes of lettuce in a cooler, how many bags of lettuce would there be?

Christy drove 300 miles on her vacation. she drove an average of 1.25 times faster on the secont 150 miles of the trip than she did on the first 150 miles. what expression represents the time she spent driving? let x=her speed on the first half