1. On a number line, Point A has coordinate –8 and Point B has coordinate 7. Find the coordinate of each point described. 1) Each point that is half as far from A as from B.
-23 or -3

2. 2) In a bicycle race, Rachel gives Keith a 750 m advantage
2) In a bicycle race, Rachel gives Keith a 750 m advantage. Also, Rachel agrees to start 30 min after Keith. If Rachel bikes at 18 km/h and Keith at 15 km/h, how long will it take Rachel after she starts biking to overtake Keith?
2 h 45 min

3. Solve
0.5 < x< 3

4. In Problem 4, f and g have the same domain D and the same range.
Determine whether f and g are equal.
f = g

5. Solve the system
½, 4/3

6. Find the values of a, b, c, and d that make the equation true.
a = 9, b = 12, c = 4, d = -11

7. The GCF of and another monomial is , and their LCM is
The GCF of and another monomial is , and their LCM is Find the other monomial.

8. A commercial jet can fly from San Francisco to Baltimore in 6 h
A commercial jet can fly from San Francisco to Baltimore in 6 h. A private jet can make the same trip in 7 h. If the two planes leave at the same San Francisco at the same time, after how many hours is the private jet three times as far from Baltimore as the commercial jet.
5.6 hours

9. The reciprocal of one fourth of a number decreased by one third of the reciprocal of the number is 1/6. Find the number. 22

10. For what values of x does the expression represent a real number?

11. For what values of the variable is each equation true.

12. Solve
9, 16

13. The total surface area of the rectangular solid shown is 200 m2
The total surface area of the rectangular solid shown is 200 m2. Find the value of x. Round to the nearest hundredth.
x – 4
4.24 2x
x +7

14. The mean PSAT Math score for sophomores is 44
The mean PSAT Math score for sophomores is 44.1, with a standard deviation of Calculate the interval about the mean that includes 15% of the data.
42 to 46.2