Answer:
4.4721
Step-by-step explanation:
angle OPQ is external
so 6x-15=2x+18 + 2x-13
6x-15= 4x+5
6x-4x=15+5
2x=20
x=10
g(x)=x³/8 +16
y=x³/8 +16
x³/8=y-16
x³=8(y-16)
x=³√{8(y-16)}
Tip of $1.60
The total is $9.60
(20% × $8) + $8
$1.60 + $8
$9.60