Which of the following are monomials?

Check all that apply.

A. 20x11

B. 99

C. x + 9

D. 112 - 9

E. 11x - y

F. x9

35124 rounded to nearest ten thousand

How do you solve Ratios and Proportions in 7th grade math?

Carlos calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it? Four triangles A, B, C, D are shown from left to right.

Kelly is having a party. She wants to make punch. The recipe for punch uses 2 pints of pineapple juice, 3 cups of orange juice, 3/4 gallon of lemonade, and 2 quarts of apricot nectar. Kelly says her recipe will make 28 cups of punch.

2. A scoop of ice cream in the shape of a whole perfect sphere sits in a right cone. The radius of the ice cream scoop is 2.5cm and the radius of the cone is 2.5cm.

Annie and her friends love cake. Annie has two cakes. Each of their friends are going to eat 2/3 of a cake. How many servings of cake does Annie have?

Assume that 80% of the people taking aerobics classes are female and simple random sample of n=100 students is taken. If the sample has exactly 90 females students would that be unusual?

1. How many different outcomes are possible if you choose one kind of wrapping paper (tissue, cellophane, foil) and one coloured ribbon (pink, yellow, orange, blue, red) 2.

What is the Y value of the vertex of the function F of X equals X - 3 X + 11

If a+b=12 and a-b = 8, what is the value of a^2+b^2?