Dennis has less than 70 min. to spend on some homework questions. he spent 10 min. on the first two questions. the rest of the questions will take 5/2 min. each.

what statement describes the solution to this inequality?

a, dennis can complete fewer than 4 questions.
b, dennis can complete fewer than 24 questions.
c, dennis can complete fewer than 32 questions.
d, dennis can complete fewer than 60 questions.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter