29
Step-by-step explanation:
first sub in 3 wherever x is shown
(3)^2+8(3)-4 the use bedmas (brackets,exponents,division,multiplication,addition,subtraction)
solve brakets first
(3)^2=9
8(3)=24
rewrite equation ; 9+24-4=29
$30.32
step-by-step explanation:
65.00*.12=2.80
65.00-2.80=57.20
57.20*1.06=60.632
60.632/2=30.316
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