Step-by-step explanation:

Answer:
=4h+29
Step-by-step explanation:
I hope this helps you
Answer:
value of x is 20
Step-by-step explanation:
If u got any doubt regarding this u can ask anytime :)
Answer:
76 square feet
Step-by-step explanation:
surface area = 2(wl + hl + hw) w=width h=height l=length
surface area = 2(5*4 + 2*4 + 2*5)
surface area = 2(20 + 8 + 10)
surface area = 2(38)
surface area = 76 square feet