Find all solutions to the equation. Express the solution in degrees.tan x = -1
A. 315° + 360°n
B. 135° + 360°n
C. 225° + 180°n
D. 135° + 180°n
Answer: D
Mathematics
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Multiply.(1)(-5)(-7)(-3)(3)
A. 105 B. -105 C. 315 D. -315
Mathematics
Find all solutions of the equation.7 cos x + 8
= 5 cos x+ 7
A. x = 
+ n? or x = 
+ n?
B. x = 
+ 2n? or x = 
+ 2n?
C. x = 
+ n? or x = 
+ n?
D. x = 
+ 2n? or x = 
+ 2n?
Mathematics
Does the problem involve permutations or combinations? Do not solve.From 8 names on a ballot, a committee of 3 will be elected to attend a political national convention. How many different committees are possible?
A. permutations B. combinations
Mathematics
Factor completely.7y3 - 875
A. (7y - 5)(y2 + 5y + 175) B. 7(y - 5)(y2 + 25) C. 7(y - 5)(y2 + 5y + 25) D. 7(y + 5)(y2 - 5y + 25)
Mathematics