Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 10; d = 2an = ?; a16 = ?
A. an = 10 + 2n; a16 = 40
B. an = 8 + 2n; a16 = 28
C. an = 8 - 2n; a16 = 40
D. an = 8 + 2n; a16 = 40
Answer: D
Mathematics
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A. 
4 = 256
B. 
-4 = 256
C. (-4)1/4 = 256
D. 2561/4 = 4
Mathematics
Find the slope of the tangent line at the given value of the independent variable.s = -4t4 + -2t3, t = -1
A. 22 B. 10 C. -22 D. -10
Mathematics
Solve for the variable.-7x = 63
A. -70 B. 70 C. -9 D. 1
Mathematics
Find the value of c for which the expression is a perfect square trinomial. Then factor the perfect square trinomial.x2 - 
x + c
A. c = 
; x2 - 
x + 
= 
2
B. c = 
; x2 - 
x + 
= 
2
C. c = 
; x2 - 
x + 
= 
2
D. c = 
; x2 - 
x + 
= 
2
Mathematics