Find the sum of the arithmetic sequence.(-6) + (-1) + 4 + 9 + ... + 39
A. 165
B. 170
C. 330
D. 160
Answer: A
Mathematics
You might also like to view...
Solve by completing the square to obtain exact solutions.x2 + 10x + 14 = 0
A. 5 + 
B. -10 ± 
C. 5 ± 
,
D. -5 ± 
Mathematics
Determine the number of terms and identify the coefficient of each term of the expression.-y - 4y2 + 
y3
A. 3; 1, 2, 3
B. 3; -1, -4, 5
C. 2; -4, 
D. 3; -1, -4, 
Mathematics
Find the vertex.f(x) = -x2 + 16x - 71
A. (-8, -7) B. (7, -8) C. (8, -7) D. (8, 7)
Mathematics
Convert. When necessary, round the answer to two decimal places.40 quarts = gallons
A. 160 B. 80 C. 20 D. 10
Mathematics