Find the exact value of the expression.tan 285°

A. -2 - 
B.
C. 2 + 
D.


Answer: A

Mathematics

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Write the number in the sentence in digits.The volume of water in the lake is twenty-six billion, four hundred nine million, five hundred sixty-nine thousand, two hundred twelve cubic inches.

A. 26,409,569,212 B. 26,000,409,569,212 C. 26,490,569,212 D. 260,409,569,212

Mathematics

Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = -x2 - 16x - 67

A. minimum at (3, 0) B. minimum at (0, 8) C. maximum at (- 8, - 3) D. maximum at (3, 8)

Mathematics

For the following expression, find the value of y that corresponds to each value of x, then write your results as ordered pairs (x, y). ?   for 

A.
B.
C. ?
D. ?
E. ?

Mathematics

Refer to the figure in which O is the center of the circle, ray PA is a tangent, m?BOC = 80°, PE = 10 ft, PD = 12 ft, PB = 19 ft, ER = 4 ft, ER = 4 ft, and BR = 5 ft.



Find m?PAR.
(a) 20° (b) 40° (c) 60° (d) 90°

Mathematics