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, .

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.

Tell whether the two rates form a proportion