A microwave oven is on sale for 20% off the original price of 79.50

Which expression is equivalent to - 4.6 + (-0.4) + (-7.2) ? - (4.6-0.4) + (-7.2) (4.6+0.4+7.2) -4.6 - (0.4+7.2) (4.6+0.4) + (-7.2)

A woman walks into a store and steals $100 from the register and leaves. she later returns purchasing $70 in merchandise giving the owner the $100 bill she stole. she received $30 in change. how much money did the store lose?

Tori's grandmother is five times older than she is. the sum of tori's and her grandmother age is 72. how old is tori

What times what 3 times equals 8/27

A survey estimated that the average cost of textbooks for a semester of college is $320 with a margin of error of ± 8%. What is the range of the possible average cost of text books?

A worker draws a 1/5 scale drawing of the top of a small air conditioning unit. The drawing is a small air conditioning unit. The drawing is a rectangle with a length of 4 inches and a width of 2 inches.

Mrs. Ellis dumps out her change purse and finds that she has 26 coins, all dimes and quarters, for a total of $4.85. how many more quarters does she have than dimes.

If m angle B=m angle D=41, find m angle C so that quadrilateral ABCD is a parallelogram

The expression 12 + x + 4 represents the perimeter of a triangle simplify the expression

What is the square root of 12?