Ok so Ive been having trouble with Math can anyone help??

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Need solving this second acceleration problem.

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students