30-x = (-12) What is the variable?

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