Answer:
40
Step-by-step explanation:
f(4) = 3(4²) - 2(4)
= 3(16) - 8
= 48 - 8
= 40
when x=4, f(x) = 40
Answer:
8
Step-by-step explanation:
2+6m+7=57
6m=57-7-2
6m=50-2
6m=48
m=48/6
m=8
85% of 690 lbs would be 586.5
Victoria buys 2 pairs of sunglasses for $8 each
1 pair of glasses = $8
8 x 2 = total amount
multiply
8 x 2 = 16
total amount = 16
She payed $16 for both pairs of glasses.
hope this helps
