Which set of expressions are not equivalent? 3(3a) + a(3 a) and 3 a2 + 9 a 5(3 x) - 4(3 x) and 3 x
4(3 a) - 2(4 a) and 4 a2
4 x(x) + 312 x) and 4 x + 6 x

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%

its adding 5.5 each time

step-by-step explanation:

answer: it is 8

step-by-step explanation:

you know why its 8