Find the first term for the arithmetic sequence. Find a1 when d = -3 anda8= 31.
A. 7
B. 55
C. 52
D. 10
Answer: C
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Solve the equation.
= 9
A. 
B. ?
C. 
D. 
Calculate the work done by the force F along the path C.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Solve the problem.A rectangular city park has a jogging loop that goes along a length, width, and diagonal of the park. To the nearest yard, find the length of the jogging loop, if the length of the park is 125 yards and its width is 75 yards.
A. 146 yards B. 345 yards C. 145 yards D. 346 yards
Solve the problem.Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 11x2, but which has its vertex at (3, 4).
A. f(x) = 11(x - 3)2 + 4 B. f(x) = 11(x + 3)2 + 4 C. f(x) = 11(x + 4)2 + 3 D. f(x) = (11x + 3)2 + 4