Is this correct?

12. 8u+2 = 6

-2 -2

8u = 4

÷4 ÷4

u = 1

check: 8(1) = 8

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?