Please help me with this question I'm stuck

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?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota