Find the midpoint of the segment with the given endpoints.(-0.5, 3.9) and (-1.9, -7.6)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.1 + 
+ 
+ 
+ . . .
A. 0 ? x < 9 B. -9 < x < 1 C. -5 < x < -3 D. All x
Mathematics
Find the slope of the curve for the given value of x.y = -3 - x3, x = 1
A. slope is -1 B. slope is 3 C. slope is 0 D. slope is -3
Mathematics
Write in factored form.s(u + v) + t(u + v)
A. (s + t)(u + v) B. (s + t)(uv) C. (s + u)(t + v) D. st(u + v)
Mathematics
Find the exact value of the product.cos 135° cos 45°
A. - 
B. 1
C. 
D. 2
Mathematics