PLZ ANSWER IF U KNOW THE ANSWER

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

If square root x = -7, then x= -49 true or false

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8