Explain to at 7th grader what is a special about the slope of parallel and perpendicular lines.​

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

How to use order of operation in 20 divide by 4 multiply 5 = 1