Kerry and luke biked a total of 18 miles in one week. kerry biked 4 miles more than luke. write a system of equations and solve it to find how far each boy biked

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Simplify the following expression 48^1/2