Which shape has rectangular and pentagonal faces?

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false