How do you know that calculating 80% of the regular price gives you the same result as subtracting 20% from the regular price

0.88 the value of 0.8 is

Solve the equation. - 49f=-3 f=

Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4in.

What is the value of the expression 2 + 32 ⋅ (5 - 1) ?

A bike shop sells you a bicycle for $63 and a helmet for $21 the total cost is 150% of what the shop spent originally how much did the shop spend originally? How much profit did the bike shop or in by selling the bicycle + helmet to you?

If f (x) = 8x and g (x) = 2X+1 find (fog) (x)

Write an expression that represents the product of Q and 8:4

Mike wants to make meatloaf. His recipe uses a total of 5 pounds of meat. If he use a 3 to 1 radio of beef to pork how much pork what he used? Enter your answer as a mixed number in the simplest terms.

The coordinates of the vertices of triangle ABC are given in the table. A B C (4,2) (6,7) (13,1) Triangle ABC is reflected across y=-x. What are the vertices of triangle A'B'C'? Enter your answers in the boxes. A': (, ) B': (, ) C': (, )

What is the solution to this equation? 3x - x+8+5x-2=10