4y+3y=21 simplify as much as possible

What does probability tell you?

Chen paid $36 for some books after 25% discount was applied. what was the original price of the books?

The two fastest times in the past 20 years for the girls 200 meter run at clarksville elementary school are 27.97 sec and 27.93 sec. yesterdays track meet claire ran 27.99 sec. was her time faster then either of the two fastest? explain

Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) {0, 4, 0, 0, 4, 0, 0, 0, 4, ... }

A sphere has a volume of 36π cubic meters. What is the radius of the sphere in meters?

What is 4/8 and 3/7 close to 0 1/2 or 1

There are 21 students in an Math 111 class at Schoolcraft. Suppose you wanted to determine how many ways there are to select 5 students for a group project. Would you use a combination or a permutation

The rectangle below has an area of x^2+8x+15 square meters and a width of x+3 meters. What expression represents the length of the rectangle?

Which of the following sets could not be the lengths of the sides of a triangle? {11, 14, 25} {5, 6, 10} {4, 4, 5} {1, 2, 2}

Does (1,2) make this a true statement? Why or why not? y = x + 1