Determine the solution to the system of inequalities.x ? -1y < 1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the slope and the y-intercept of the line with the given equation.5x + 9y = 28
A. Slope 1
; y-intercept 
B. Slope - 
; y-intercept 
C. Slope -1
; y-intercept 
D. Slope 
; y-intercept 
Mathematics
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (8t3 - 3)j + 
k
A. a(0) = 2i + 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i - 
k
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find cos ? if tan ? = 4 and sin ? < 0.
A. - 17
B. - 
C. - 
D. 
Mathematics
Find the number of terms in the arithmetic sequence.7, 3, -1, . . . , -53
A. 15 B. 16 C. 14 D. 17
Mathematics