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, .

The first five terms of a linear sequence are given below. 7 , 12 , 17, 22 , 27 , what is the next term of the sequence?

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square