Hurry
if f(x) and f1 (x) are inverse functions of each other and f(x) =2x+5, what is f1 (8)?
a. -1
b. 3/2
c. 41/8
d. 23

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.