(a) Karen pumped 7 gallons of water into her pool each minute for 28 minutes. What was the total
change in the amount of water in the pool?
1 gallons

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant

Ireally don't understand this, i'm really an idiot but i want to know how to figure this out. !