1. How far did Erin go if she drove her car at 35 mph for half an hour?

35 miles
 17.5 miles
 612.5 miles
 70 miles
2. What is the exchange rate if Crystal got 300 roibles for 250 goibles?
0.8333
1.5
1.2
0.6

7. If a line has a slope of 2 and passes through the point (0,9), what is the equation?