The area of the trapezoid is 39 ft2.

what is the height of the trapezoid?

ft

h xdxdxdxd

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?