4
Step-by-step explanation:
(n + 5)² for n = -7
= (-7 + 5)²
= (-2)²
= 4
Answer:
17) 356.4 18) 42
Step-by-step explanation:
17) you minus 954.70 and 598.30 and u get 356.4
18) you divide 189 to 4.5 and you get 42
We can simplify it a bit
oh wait,
remember taht x^0=1, no matter what x is
we see the whole thing is to the zero power
the whole thing is equal to 1
doesn't matter what x or y is
the whole thing evaluates to 1