When sarah invests $4000 in a money market
account she receives 1.4% simple interest annually.
if she doesn't add or subtract any money how
much interest will she earn after 4 years?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.