23 is the number the answer is c
Answer:
b=-3
Step-by-step explanation:
-7b=21
-7b/-7=21/-7
b=-3
Answer:
19x
Step-by-step explanation:
product means multiply
19*x
19x
Let's give some distances
100 up 100 flat 100 down meters
then return 100 up 100 flat 100 down
time required (distance/rate = time ) 200/100 + 200/120 + 200 / 150 = 5 hr
distance 600
distance / time = average speed = 600/5 = 120 m/s
10 is 37.037 percent of 27