Replace the variable as indicated and decide whether the given number is the solution.168 = k ? 14; replace k with 15
A. 168 = 168; Yes
B. 168 = 210; No
Answer: B
Mathematics
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Find the derivative.s = t7 - csc t + 2
A. 
= 7t6 + csc t cot t
B. 
= t6 - cot2t + 2
C. 
= 7t6 + cot2t
D. 
= 7t6 - csc t cot t
Mathematics
Simplify the algebraic expression.10 times the product of a number and negative 3
A. 10(x) + (-3); 10x - 3 B. 10[x(3)]; 30x C. 10[x(-3)]; -30x D. 10(x) + 3; -10x + 3
Mathematics
Provide an appropriate response.Find the equation of a line passing through the points (2, 4) and (3, 8). Solve for y.
A. y = 
x + 
B. y = 4x - 4
C. y = -4x + 12
D. y = 4x + 4
Mathematics
Solve the equation by completing the square.a2 - 8a - 20 = 0
A. -18, -2
B. 10, -2
C. -10, 2
D. 
, - 
Mathematics