Given: X = r + 2, Y = 2r - 9, and Z = r 2 + 17r + 30. Simplify [X · Y - Z] : X.

What is the height of Mount Bona rounded to the nearest ten thousand feet if it is l6,500

Ronald is preparing lemonade for his friends. To make 6 cups of lemonade, he needs 1 cup of lemon juice. To make 24 cups of lemonade, he needs to proportionally increase the amount of lemon juice to cups

3/4x + 3y = 12 for when x = 5

The 7th grade consumed 6 litters of chocolate milk at lunch. How many centilitres of chocolate milk did they consume?

Rewrite the fractions 1/4 and 5/6 with a least common denominator

Determine whether the given set S is a subspace of the vector space V. A. V={/mathbb R}^2, and S consists of all vectors (x_1, x_2) satisfyingx_1^2 - x_2^2 = 0. B. V=M_n ({/mathbb R}), and S is the subset of all symmetric matrices C.

Name three angles that sum to 180 degrees

Count back by one with the number 953

Write two multiplication sentences that have a product of 16

What is the scientific notation for - 20.136