Answer:
-10
Step-by-step explanation:
2*-2=-4
3*-5=-15
1-(-4)+(-15)=-10
Answer:
the angle of elevation is 2 because it is going up
Step-by-step explanation:
there really isn't an explanation needed
Answer:
Step-by-step explanation:
dont have a creative way but i just remember rise over run or 
hope this helps <3
Answer:3
Step-by-step explanation:
cause 15-3-3-3-3-3 has 5 3's
Answer:
24
Step-by-step explanation:
scradel spindle speed of the mechanical 1