On saturday, mrs. armour bought 7 pairs of socks for $3 each, and a sweater for her dog for $12. then she found a $5 bill on the sidewalk. over the course of saturday, what was the change in the amount of money mrs. armour had?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

Find the missing dimension! need asap! tiny square is a =3025 in ²