A $40 backpack is on sale for $28. What is the percent of change?

30%

12%

-30%

-70%

How do you add fractions?

The litton football team wants to win a total of "y" games. They want to win 3 games each "x" month. What is the rule for this equation

What type of transformation takes the graph of f (x) = |x|f (x) = |x| to the graph of g (x) = 2.5|x|g (x) = 2.5|x|? vertical shift down of 2.5 vertical stretch by a factor of 2.5 vertical compression by a factor of 2.5 vertical shift up of 2.5

Two identical lines are graphed below. How many solutions are there to the system of equations?

Will the difference of two rational numbers be always rational

Why did the ant run across the cracker box

the expression 6x + 15 represents the total cost of a bicycle rental. when danny rents a bike for 2 hours, the total cost of his rental is $27. What does the coefficient 6 represent?

Bonnie uses of a cup of sugar in each cupcake. If she is making 9 cupcakes, how much sugar will Bonnie need?

If the average price of a new one-family home is $246,300 with a standard deviation $15,000, find the minimum price of the houses that a contractor will build to satisfy the middle 80% of the market. Assume that the variable is normally distributed.

The function g (x) = x is transformed to obtain function h. h (x) = g (x-3). Which statement describes how the graph of his different from the graph of g? A. The graph of h is the graph of g horizontally shifted right 3 units. B.