SCHEDULE
Event
 Beginning Time
 Ending Time
Session I
 ?
Break

Session II

Lunch

Session III

Break

Session IV
4:30 P.M.

5. In the schedule above, each session is to be \[1\frac{1}{2}\] hours long, each break is be \[\frac{1}{4}\] hour long, and lunch is to be 1 hour long. If session IV is to end at 4:30 P.M., at what time should session I begin?
(A) 8:15 A.M.
(B) 8:30 A.M.
(C) 8:45 A.M
(D) 9:00 A.M.
(E) 9:15 A.M.

6. If \[2x - 5, x + 1\], and \[3x - 8\] are all integers and \[x + 1\] is the median of these integers, which of the following could be a value for \[x\]?
(A) 5
(B) 7
(C) 9
(D) 10
(E) 11


7. An exhibitor is selling decorative wreaths at an arts and crafts show. The net profit \[P\], in dollars, from the sales of the wreaths is given by \[P(n) = 0.75n - 50 \], where \[n\] is the number of wreaths sold. How many wreaths must the exhibitor sell in order to earn a net profit of $100?
(A) 25
(B) 75
(C) 150
(D) 175
(E) 200

8. If \[x^2 + y^2 = 73\] and \[xy = 24\], what is the value of \[(x + y)^2\]?
(A) 73
(B) 97
(C) 100
(D) 121
(E) 144

Bỏ qua Tra từ điển
Hiện, ẩn khối
Tra từ điển

 
Từ cần tra