Evaluate the expression 43+ [(96 = 8) ~ 5] - 42.

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4