Answer: -13.85
Step-by-step explanation:
Simplify.
4.6−7.28−11.17
=−13.85
Divide both sides of the equation by -3, which gives you x=6.
You turn the decimal into a percent
Answer:
648 sq units
Step-by-step explanation:
Area of the base= 12×12= 144 sq. units
Perimeter of the base=4×12= 48
Total surface area= 1/2×48×21 + 144
=648 sq units