207
its 86
90 + 15 = 105
97 101 103
86% to 90% is a B plus.
4 + 86 = 90
-86
The average is all the numbers added together and then divided by the # of numbers.(80+85+90+88+86+83+89+70)/8=671/8=83.875Order of operations has the brackets first and then the division.
91, 93, 95, 97, 99, 101, 103, 105, 107, 109
90 percent of 105 is 94.5.
gcf of 90 and 105 is 15
I don't know what GMF is, but:GCF (Greatest Common Factor) of 90 and 105 is 15LCM (Lowest Common Multiple) of 90 and 105 is 630
(90 + 86) ÷ 2 = 88