Answer:
<em>xr</em> ≤ 7
Step-by-step explanation:
He must spend less than or equal to 7$ to account for 5 trips and 3 extra dollars for 1 trip.
B. 40
Explanation:
40+10= 50, 2x40= 80, 50
50+50+80= 180
(180 degrees in a triangle)
A) 125 mm3 v=bh
v=(5*5/2)*10