Answer:
29
Step-by-step explanation:
Substitute 4 for x into the expression x^2+3x−7+8 and then simplify using the order of operations.
4^2+3(4)−7+8
16+12−7+8
Since they have given you x = 4, simply sub it into the equation,
(4)^2 + 3(4) - 7 + 8
= 29
Check the picture below.
make sure your calculator is in Degree mode.
-64a³b³
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Sara's results probably do have a higher mean, if we take into account how William is way more willing to pay 20 dollars. Honestly, I think you got your chosen answers right! Just my opinion, as someone inexperienced.
