B. Complementary means totaling 90 degrees, and supplementary means totaling 180 degrees.
Answer:
3
Step-by-step explanation:
-m+8=4m-7
8=4m-(-m)-7
8=4m+m-7
8=5m-7
5m=8+7
5m=15
m=15/5
m=3
He could plant 105 seedlings in 70 minutes.
70 / 8 = 8.75 * 12 = 105 seedlings
I hope this helps :)
<span>4x+x-3-9+4x=6
9x-12=6
Answer C</span>
A triangle has 180 degrees so add the two given and subtract it from 180
