Astore had homemade sweaters on sale for $20 off the original price. aunt ethel jumped at the bargain and bought a sweater for all 15 member of her family. if aunt ethel paid $375 for all the sweaters, what was the original price of each sweater. i doint understand how to solve this, .

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?