Answer:
z+9(8−x)+8(z+8)=
z+72-9x+8z+64=
9z-9x+136
<u> </u>
(3−10)^2−(5−12)^2 parenthesis first
(-7)²-(-7)²=
49-(49)=49-49=0
<u> </u>
2^2⋅4^3 exponent first
2*2*4*4*4
4*64=256
Answer:
4/8, 6/12, 7/14,etc.
Step-by-step explanation:
Multiply 2/4 by any number(like 4) and you can find a equal ratio
Answer:
12a^2 - 9a + 5
Step-by-step explanation:
(5a^2 - 6a - 4) - (-7a^2 + 3a - 9)
5a^2 + 7a^2 = 12a^2
-6a - 3a = -9a
-4 + 9 = 5
12a^2 - 9a + 5
