Answer:
x=-5
Step-by-step explanation:

Multiply both sides by 3:

Subtract 2x from both sides:

Divide both sides by 4:

Hope this helps!
Answer:
Step-by-step explanation:
get them some multiplication charts and use some examples like oreos or any type of cookies.
Answer:
72
Step-by-step explanation:
it would be 72 because your adding 56+16 and that equals 72 numbers he will use
Answer:
B
Step-by-step explanation:
Also solved eveything
(x+9)^2=49
x^2+18x+81=49
x^2+18x+32=0
a=1, b=18 and c=32
x= (-18 +/- Sqrt (18^2-4×32))/2
x= (-18 +/- Sqrt (324-128))/2
x= (-18 +/- Sqrt (196))/2
x= (-18 +/- 14)/2
x= (-18 +14)/2 = -4/2 =-2
OR
x= (-18 -14)/2 = -32/2 =-16
The answer to the question above is D. (5.7, 31.3)