7th grade explain not just the answer sorry its blurry

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?