Eldridge opened a savings account with an initial balance of $1,000. After that, every month for 8 months, she made one deposit to the account, always for the same amount. During that time, she made just one withdrawal.
Which of the following graphs accurately describes these transactions over an 8-month period?
(F) 
(G) 
(H) 
(J) 
(K) 
Greg is making a triangular sail for a boat, shaped like a right triangle and shown below.
The angle opposite the 120-foot side measures about 65.2°. Greg would like to make a second sail. This one will still be a right triangle with a 50-foot side as one leg, but the 120-foot side will be shortened until the angle opposite that side is about 10°. By about how many feet will Greg need to shorten the 120-foot side?
(Note: sin 10° ≈ .17, cos 10° ≈ .98, tan 10° ≈ .18)
(F) 9 (G) 49 (H) 71 (J) 111 (K) 122
Correct Answer: J
For the first several weeks after hiring a private tutor, Teddy's score on a standardized test increased slowly. As Teddy began to understand the concepts more clearly, though, his standardized test scores improved more rapidly. After several more weeks, Teddy stopped working with his tutor and his scores did not improve any more. Which of the following graphs could represent all of Teddy's standardized test scores as a function of time, in weeks, after he hired a private tutor?
(F) 
(G) 
(H) 
(J) 
(K) 
Correct Answer: F
An outdoor thermometer in Hanover, NH reads 70°F. The temperature in Hanover is 25°F cooler than in New Orleans,LA. What is the temperature, C, in degrees Celsius, in New Orleans?
(Note: F = 
C + 32)
（A）21°C （B） 35°C （C） 68°C （D） 95°C （E） 113°C
Correct Answer: B
, then 