Please help!! Can someone write a proof for this? The ratio is 1:2

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?