3 (-2y-7) + 8y what is the answer?

The school serves tacos every 6th day and cheeseburgers every 8th day. If tacos and cheeseburgers are both on today's menu, how many days will it be before they are both on the menu again?

Solve for x. 7 (x + 2) = 6 (x + 5)

Jamal hiked on two trails. That first trail was 5 1/3 miles long, and the second trail was 1 3/4 times as long as the first trail. How many miles did jamal hike?

10[4 times 10 divided by9 (6 two to the second power-4 to the second power) + 1}

Lily likes to collect records. last year she had 10 records in her collection. now she has 15 records. what is the percent increase of her collection?

Can - 6 1/30 be simplifyed

Comparing Account Balances In Exercise, $2000 is deposited in an account. Decide which account, (a) or (b), will have the greater balance after 10 years. (a) 6 1/2%, Compounded monthly (b) 6 1/4%, Compounded continuously

A popular pizza place has 15 toppings that can be placed on a pizza. You want to order a pizza made from 4 different toppings. How many possible combos?

A dog lives next door to the Tijera's new residence. It barks constantly at a frequency of 7000 Hz. Sound travels near and through the Tijera residence at 1080 feet per second.

In a camp, 140 students from school A, 70 students from school B, 105 students from school C, and 35 students from school D, participated. Find the percentage of representation from each school.