The length of each side of a regular pentagon is increased by 8 inches, so the perimeter is now 65 inches. what is the original length of each side of the regular pentagon

Charlie tosses five coins.what is the probability that all five coins will land tails up.

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

Find the inverse of the given function. f(x)= -1/2sqr x+3, x greater than or equal to -3