What is the area of this triangle? A=bh2

54 cm²

90 cm²

108 m²

216 m²
Right triangle with height labeled 12 cm, base labeled 9 cm, and third side labeled 15 cm.

Ineed if you could explain and give me the answer you! this needs done

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Which expression is equivalent to -12(3x-3/4)