(2∧-4)∧-4÷2∧4×2∧2 what is the answer please help me

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.