Answer:
-12z^2
<em>Brainliest, please!</em>
Step-by-step explanation:
-5z^2 - 7z^2 = -12z^2
It would be 800 because the number behind it is 0
Answer:
308 hours?
Step-by-step explanation:
Simple multiplication is good with a calculator.
Answer:
Step-by-step explanation:
B+8.3=0
B=0-8.3
B=-8.3
1 yd = 3ft
52 ft = 17 +1/3 yards
she must by 18 yards as the only sell by yard, not feet.
18 x 10.99
197.82