Answer:
246
Step-by-step explanation:
i got it right on my test
Answer:

Step-by-step explanation:
Move
to the denominator in 
using the negative exponent rule 
Answer:
98 years
Step-by-step explanation:
because the sun is 432,690 miles
Answer:
99% Confidence interval: (0.185,0.375)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 150
Number of cars that have faulty catalytic converters, x = 42
99% Confidence interval:
Putting the values, we get:
The 99% confidence interval for the true proportion of new cars with faulty catalytic converters is (0.185,0.375)
55miles / 60min = 0.91
0.91 x 40min = 36.66
The answer is: about 37 miles in 40min.