Luke earned $54 after mowing 3 lawns. write and equation comparing earnings to lawn mowed. how much would luke earn after mowing 7 lawns.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale