Answer:
First box: 18
Second box: 40.5
Third box: 45
Step-by-step explanation:
9 km/m
Answer:
113.1 inches squared
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Answer: No, it's not. x should be <u>121</u>
Step-by-step explanation:
Answer:
Below.
Step-by-step explanation:
(a) Over the first 5 seconds rate of change of speed
= (9-1)/5
= 8/5
= 1.6m/s^2
(b) (21-9)/16-t) = 2
12/16-t = 2
32 - 2t = 12
32 - 12 = 2t
20 = 2t
t = 10 seconds
