Find the indicated sum.Find the sum of the first 40 terms of the arithmetic sequence: 18, 28, 38, 48, . . .
A. 8520
B. 8720
C. 418
D. 8529
Answer: A
Mathematics
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Which of the following represents a horizontal line? ?
A. ?y = 2x B. ?x = 5 C. ?y = 0 D. ?y = 6 - x E. ?None of the above.
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Fill in the digits for the given place values in the following whole number.49,386thousands 
tens 
A. thousands: 9, tens: 4 B. thousands: 8, tens: 6 C. thousands: 9, tens: 8 D. thousands: 3, tens: 6
Mathematics
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.P(1, 2), Q(4, 5)
A. 6; 
B. 3
; 
C. 6; 
D. 3
; 
Mathematics
Convert the units using two or three unit fractions.7 wk = 
min
A. 10,080 B. 35,280 C. 70,560 D. 50,400
Mathematics