Answer:
x=
or 0.75
Step-by-step explanation:
Answer:
A=384 
Step-by-step explanation:
A =2(wl+hl+hw)
A=2(8*8+8*8+8*8)
A=2(64+64+64)
A=2(192)
A=384
Answer:
??
Step-by-step explanation:
7x+2-3x-7 I believe this is impossible because ther will be no equal sign so please enter it again or?
Answer:
D. 63
Step-by-step explanation:
It has more than two factors. (composite)
Answer:
She made an error when using the zero pair.
Step-by-step explanation:
In step 2, Carianne added 4 to the right side and subtracted 4 on the left side, which is completely changing the equation. By definition, your zero pair must have a difference of zero. She need to add 4 to both sides to continue; when manipulating algebra you need to do the same thing to both sides of an equation, otherwise you're just changing the equation.