Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Answer: D
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Solve.The length of a rectangular frame is 4 cm more than the width. The area inside the frame is 45 square cm. Find the width of the frame.
A. 9 cm B. 6 cm C. 5 cm D. 13 cm
Find the focus and directrix of the parabola.x = 8y2
A. F: 
; D: x = 
B. F: 
; D: x = - 
C. F: 
; D: x = - 
D. F: 
; D: y = - 
Solve the problem. Round to the nearest cent.A telephone costs $215. If the sales tax rate is 8%, how much tax is charged and what is the total price?
A. $17.20, $232.20 B. $172.00, $387.00 C. $15.05, $230.05 D. $19.35, $234.35
The charts give the average for two stock markets for a recent week.
On which day(s) was Market A greater than 4700 or Market B less than 1000?
A. None B. Wednesday, Thursday C. Monday, Tuesday, Wednesday, Friday D. Wednesday