I'll pick the brainiest. Please help me
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54.87 cm cubed

442.3475 or 442 cm cubed

226.08 or 226 units cubed

80 cm cubed

160 in cubed

314 m cubed

384 cm squared

126 cm squared

923.16 or 923 in squared

1123.12 or 1123 cm squared

44.57962667 or 45 cm cubed

Step-by-step explanation:

The volume of a square is V=a^3

If you plug in 3.8 for a you would get V≈54.87

The volume of a cylinder is V=π(r^2)h

If you plug in the given measures and solve you get 442.3475 or 442

Do the same for #3 and get 226.08 or 226

The volume of a right triangular prism is the (area of the base times it's height) divided by 3. You would get 8 x 5 =40 40 x 6 is 240 240/3 is 80

Do the same for #5 and get 160

Find area of base, circle, with A=pi times r squared and get 78.5. multiply by its height (12, solve for height with Pythagorean theorem) and get 924. Divide by three and get 314.

A square's area is base times height so it would be 64. a cube has 6 sides so do 64 times 6 and get 384.

Break down the prism into 6 rectangles. Find the area of each rectangle and add them up to get 126.

The formula for SA of a cylinder is A=2πrh+2πr^2

Plug in the given values and get 923.16 or 923

Do the same for #10 and get A≈1123.12 or 1123

The volume of a sphere is V=(4/3)πr^3

Plug in 2.2 for r and get 44.57962667 or 45

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step-by-step explanation: