What should be done to solve the following equation?
c - 7 = 0
a. add 7.
b. subtract 0 from both sides.
c. add 7 to both sides.
d. subtract 7 from both sides.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?