A school survey says 45% of 90 students of the 7th grade take a bus to school. How many 7th graders are there?

What is - 2 (x + 7) in math

On a disney cruise ship, there are two options for an internet connection. The first option is a fee of $5 plus an additional $0.25 per minute. The second option costs $50 for an unlimited number of minutes.

Jack bought 5 pounds5 / text{ pounds} 5 pounds 5, start text, space, p, o, u, n, d, s, end text of Halloween candy.

Solve, using the substitution method. j + k = 3 j - k = 7

The furniture company increased the item fee to $0.75 per pound. Mr. Jackson buys a piece of furniture that weighs 8 pounds. He thinks the total price for his order is $0.75 more than it would have been before the company's price increase.

Factor the polynomial completely: 16t*2-24t+9

If a ∥ b and e ∥ f, what is the value of y? 87 88 91 92

What is Distributive Property and Associative Property?

What is 12/7simplified

Jerry has a total of 23 marbles. The marbles are either blue or green. He has three more blue marbles than green marbles. How many green marbles does he have?