Answer:
9√3
Step-by-step explanation:
√(81*3)
√81*√3
9√3
The answer is -7
2x-3(x+4)=-5
Multiply by -3
2x-3x-12=-5
Collect like terms
-x-12=-5
Move constant to the right to change its sign
-x=-5+12
Add
-x=7
Change the signs
x=-7
Answer:
120 inches
Step-by-step explanation:
8 times 15 is 120
