Answer:
36*
Step-by-step explanation:
36 degrees
-4=2x+16
-16. -16
-20=2x
20/2=2x/2
10=x
1. 0.6
2. 0.25
because math
2a+8
458 turns/min ----- 13740/30 min
3206/7 (min) = 458
458 x 30 (min) = 13740