Karen received an $80 gift card for a coffee store. She used it in buying some coffee that cost $8.61 per pound. After buying the coffee, she had $54.17 left on her card. How many pounds of coffee did she buy?

What signals you that factoring by grouping is the best method to use when factoring a problem?

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"