Dan is selling his comic book collection on the internet. The equation of the line of best fit for this data is y = -10x + 90, where y is comic books left and x is
the number of days he has been selling. What is the number of comic books he will have at the end
of the 7th day?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Given abcd ac=38 and ae=3x+4 find the value of x