Solve x 1> 10,x 11> 20 and x 2> 30 describe a pattern . theb use the pattern to predict the solution of x 9,991> 10,000

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%