The answer is 15. 38-23= 15
Answer:
y=-x
Step-by-step explanation:
It's going left one by one, meaning the slope is negative and has a slope of -1 or -x.
Surface Area:
S= 2(lw + lh + wh)
S= 2( 10(4) + 10(3.5) + 4(3.5) )
S= 2( 40 + 35 + 14 )
S= 2( 89 )
S= 178
Your surface area is 178 feet