Asap for brainliest: the mean score for a standardized test is 1700 points. the results are normally distributed with a standard deviation of 75 points. if 10,000 students take the exam, how many would you expect to score between 1700 and 1775 points? show work

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?