Answer:
His mistake is that he didn't multiply it -18 to the negative sign correctly. The negative sign and -18 have to multiply which turns -18 to a positive 18.
Step-by-step explanation:
-15-(-18)=-15 +(-18)
-15+18= -15 -18
3=33
no solution
Answer:
315 hours
Step-by-step explanation:
Good luck
<span>All triangles use the same formula for area:
1/2 * B * H</span>
2.5 (2 hours and 30 mins) hours. Distance (6.8) divided by time (2.72). 6.8/2.72= 2.5
Answer:
4.5
Step-by-step explanation: