A floral shop earns a profit of $7000 in May and $14,000 in July. What is the rate of change in profit for this time period? A.7,000
B.2.85
C.-3,500
D.3,500

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)