Determine the slope and the y-intercept.y = 7x + 9
A. Slope = -7, y-intercept = (0, 9)
B. Slope = 7, y-intercept = (0, 9)
C. Slope = 9, y-intercept = (0, 7)
D. Slope = 9, y-intercept = (0, -7)
Answer: B
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Solve the problem.In a certain lottery, 3 different numbers between 1 and 12 inclusive are drawn at random. These are the winning numbers. If you choose 3 different numbers at random between 1 and 12, what is the probability you will match the winning numbers? Assume that the order of the numbers is unimportant.
A. 
B. 
C. 
D. 
Provide an appropriate response.
Which is the proper notation to present the angle indicated by the intersection of 
and 
?
A. ?ABCD B. ?B C. ?BAD D. ?ABD
Solve the equation.9x + 5 - 9x - 5 = 6x - 6x - 3
A. 0 B. -288 C. all real numbers D. no solution
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos 2? = 0.247
A. {
? = 37.8° + k180° or ? = 127.8° + k180°}
B. {
? = 14.3° + k180° or ? = 75.7° + k180°}
C. {
? = 37.8° + k180° or ? = 142.2° + k180°}
D. {
? = 14.3° + k180° or ? = 104.3° + k180°}