Answer:
53.9
Step-by-step explanation:
you add all of the sides up
the is c.32$&$&#&#
Step-by-step explanation:
&&&&
Answer:
√a^3−7-4
Step-by-step explanation:
Replace all occurrences of + − with a single −. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because 1⋅ −1= −1