Answer:
Step-by-step explanation:
D
-4 (5y + 5) = -120
multiply the bracket by -4
(-4)(5y)=-20y
(-4)(5)=-20
-20y-20=-120
move -20 to +20
-20y-20+20=-120+20
-20y=-120+20
-20y=-100
divide both sides by -20 to get y by itself
-20y/-20=-100/-20
Answer: y=5
Answer:
142.4 Cubic units
Step-by-step explanation:
V=1/3pir^2h
V=1/3(pi)(4^2)(8.5)
V=142.418866963
Answer:
42 square yards
Step-by-step explanation:
T.S.A of cube

where l = 7yd

thus, the surface area of cube is 42 square yards
The answer is -1 because I don’t really know the real answer