I believe it is 3x+21 but i could be wrong :/ my explaination is -3 • -X would be +3x because it was distributed and -3 • -7 would be +21
Answer: 28 gallons of paint needed to paint 16 classrooms.
Step-by-step explanation:
As 7 gallons Paint 4 classrooms so if we need to paint 16 classrooms which four times 4 classrooms so 7*4=28 gallons will be needed to paint 16 classrooms
-5m^2 = -125
m^2 = 25
m = SquareRoot (25)
m = 5
Equation has real number solution.
I'm not 100% sure but I think it's the last two choices
sorry if its wrong
Answer:
y = 4.95x + 3.75
Step-by-step explanation: