7×3= (___+2) ×3
=(__×3)+(2×__)
=___+
=
What is this

7×3= (_5__+2) ×3
=(_5_×3)+(2×_3_)
=_15__+__6__
=21

The first digit is in the middle school 100s place

If the area of a right triangle is 336ft squared, and the area of one leg is 2304ft squared (leg b is shorter) what are the other sides of the triangle? i need to look for sides a and c