(1 pt) erin had some craft sticks. she gave 5 summer campers the same number of craft sticks. which expression shows the number of craft sticks erin gave to each camper? let the variable c stand for the number of craft sticks erin started with. a. c + 5 b. c ÷ 5 c. c – 5 d. 5c

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Which geometric principle is used to justify the construction below?

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days