Which of the following expressions are equivalent to -3.5(2 - 3n) - 2.5n?
select all that apply.
a. -7 - 8n
b. -7 8n
c. -7 - 13n
d. -7 - n(10.5 - 2.5)
e. -7 n(10.5 - 2.5)

Question and answers are in the attached picture. you so much in advance.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank