Anumber cube with sides labeled 1-6 is rolled two times and the sum of the numbers that end face up is calculated. what is the probability that the sum of the numbers is 9?

For what values of x is x2 + 2x = 24 true?

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

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7