Answer:
Step-by-step explanation:
x+(-56)=12
exclude "x"
x=56+12
x=68
Answer:
D
Step-by-step explanation:
Answer:
(A).
Step-by-step explanation:
-8+3= -5 -8-(-3)= -5
-5= -5
Hope this helps.
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Answer:
144
Step-by-step explanation:
Put the number where the variable is and do the arithmetic.
9p^2 = 9·4^2 = 9·16
9p^2 = 144 . . . . when p=4
P^2 -5p + 6 = 0
(p - 2)(p - 3) = 0
p - 2 = 0 p - 3 = 0
p = 2, p= 3