Answer:
18 ft. wide by 24 ft. long
Step-by-step explanation:
this would leave a uniform strip of 2 ft around the rug and stay in her price range for 432 square feet of carpeting.
and 18 times 24 = 432 square feet
Answer:
A. 50.24
Step-by-step explanation:
C=2πr=2·π·8=50.24
Answer:
The test statistic is t = 3.36.
Step-by-step explanation:
You're testing the claim that the mean difference is greater than 0.7.
At the null hypothesis, we test if it is 0.7 or less, that is:

At the alternate hypothesis, we test if it is greater than 0.7, that is:

The test statistic is:

In which X is the sample mean,
is the value tested at the null hypothesis, s is the standard deviation and n is the size of the sample.
0.7 is tested at the null hypothesis:
This means that 
Survey of 35 people. From the sample, the mean difference was 0.95, with a standard deviation of 0.44.
This means that 
Calculate the test statistic



The test statistic is t = 3.36.
Answer:
121 and 1331
Step-by-step explanation:
Because 11x11=121 and 11x11x11=1331
Answer:
27i.
Step-by-step explanation:
a^3b = (-3)^3 * -i
= -27 * -i
= 27i.