There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and thr rest are eighth graders. how many band students are in each grade level.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Solving algebraic equations 2m+3=11

What ia the sum if the first 7 terms of the geometric series