4s+h^{2}
s×s×s×s×h×h
Are these expressions equivalent? Explain why or why not.

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2