Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Find the equation of the parabola satisfying the given conditions. The vertex is at the origin.Axis y = 0, passes through (2, 8)
A. y2 = 32x
B. x2 = 32y
C. y2 = 4x
D. x2 = 
y
Mathematics
Write the first five terms of the arithmetic sequence with the first term a1 and common difference d. a1 = 5, d = 6
A. 5, 6, 11, 17, 28 B. 6, 11, 16, 21, 31 C. 1, 5, 11, 17, 23 D. 5, 11, 17, 23, 29
Mathematics
Find  figures 4.png)
(t) for the function given.
r(t) = 4i + sintj + costk
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.-7 ? -2c + 5 < -3
A. (-6, -4]
B. [4, 6)
C. [-6, -4)
D. (4, 6]
Mathematics