On the first practice day, Valterri is able to complete 21 laps in 1 hour, 13 minutes, and 30 seconds. What is Valterri's unit rate for Day 1, in minutes per lap? help asap will give brainlest and 20 points

Valterri's unit rate for Day 1 in minutes per lap is 3.5 or 3 minutes and 30 seconds.

Step-by-step explanation:

Total time = 1 hour, 13 minutes, and 30 seconds

Total time = 60 minutes + 13 minutes + 30 seconds

Total time = 73 minutes and 30 seconds

Total time = 73.5 minutes (30 seconds = 0.5 minutes)

Number of laps = 21

Valterri's unit rate for Day 1 in minutes per lap = Total time/Number of laps

Valterri's unit rate for Day 1 in minutes per lap = 73.5/21

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

what graph

step-by-step explanation: