What is the average of the two bases in the following trapezoid in feet? 15 ft 7.5 ft 7 yd 18 ft 11 ft 14.75 Ft 22 ft​

the answer is simply just 6n add the two together as they have an n

my guess would be b and d, but i didn’t actually get out the pen and paper. lol

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.