1. D. 6x-18
2. D. -3/4n+3/8
3. 4(d+3)
They all ready did half the equation for u so all u have to do is 240 times 8= 1920 cubed inches
hope this helps! feel free to clarify if unsure
Answer: C.
Step-by-step explanation: y=mx+b
y=-3/4xx+5
$49.50 × 4 × 5 = $990
$55.25 × 3 × 5 = $828.75
Total earnings = $990 + $828.75
= $1,818.75
