Find the ratio a:b, if it is given that

6a-3b=5b

What is the median is the middle number after we put the set in in order?

Kevin sold a house for $57,000 his fee or sales commission for selling the house was $2,679. What percent of the price of the house was Kevin's commission

Samah has made 20kg of chilli. There are 100g of chilli in a portion. how many portions of chilli has Samah made?

How to factor x^4-x^2-6=0

You rent a canoe for $5 per hour. Your cost before the tax is added is $12.50. Write and solve an equation to find the number of hours that you rented the canoe.

Tom has twice as many marbles as luke together they have 39 marbles how many marbles does luke have?

Solve : (5m3 + 3mn2) + (-7m2n + mn2 - n3) - (mn2 + 2m3)

There are 52 weeks in 1 year. In the space at the right, make a table and write a function rule relating the number of weeks to the number of years for 1,2,3, and n years. Then find Hana's age in weeks if she is 11 years old.

14d+21 and 7 (2d+3) choose yes or no to see if the expression is equivalent

Layla's class is painting the brick wall behind the basketball court. 39 bricks were already painted, and each student paints 15 more bricks in whatever color he or she wants.