An ion has a charge of +7. How far is it from being neutral? A. -0.07
B. -7
C. 7
D. 70
E. 0.7

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Can someone explain to me how to do

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50