Answer:
A: 9 seconds
B: 144 ft.
Step-by-step explanation:
A:
Let t = no. of seconds for them to meet
When they meet the sum of their distances is 270 ft, dist = rate * time
16t + 14t = 270
30t = 270
t = 270/30
t = 9 seconds
B:
He ran 9 sec at 16 ft/sec, therefore:
9 * 16 = 144 ft
Answer:
a
Step-by-step explanation:
Answer:
B. 3.27 x 10^11.
Step-by-step explanation:
There are 11 digits after the first one, so it is
3.27 x 10^11.
Answer:
<h2>18 + 45m</h2>
Step-by-step explanation:
The distributive property: a(b + c) = ab + ac
9(2 + 5m) = (9)(2) + (9)(5m) = 18 + 45m
