Answer:
<h2>D. 76</h2>
Step-by-step explanation:
Put x = 4, y = -5 and z = 2 to the expression 3x² - 4y + xz and use PEMDAS:
3(4)² - 4(-5) + (4)(2)
= 3(16) + 20 + 8
= 48 + 20 + 8
= 76
Answer:
for the first on it says x + 20 - 1
and if x=9
then you just plug it in
so you would get
9 + 20 -1
then you solve
Honey we can’t answer the question if we don’t know the problem.
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Step-by-step explanation: