Write out the sum.
A. 19 + 20 + 21 + ... + (n + 19)
B. 1 + 2 + 3 + ... + n
C. 20 + 21 + 22 + ... + (n + 19)
D. n + 19
Answer: C
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Perform the operations and simplify.?
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A. ?
B. ?
C. ?
D. ?
E. ?
A ladder leans against a wall so that its slope is 3.61 feet per foot. The top of the ladder is 11 vertical feet above the ground. What is the horizontal distance from the base of the ladder to the wall? (Assume that the positive direction points from the base of the ladder toward the wall.) ?
A. 3.05 feet B. 0.33 feet C. 3.15 feet D. 0.95 feet
Find an equation of the line that contains the given point and is parallel to the given line. If possible, write your equation in slope-intercept form.(8, 1), x = -9
A. y = -9 B. x = 8 C. y = 1 D. x = 1
(103 ð 106) ÄÄÄÄÄÄÄÄÄÄÄ = (106 ð 103)
a. 1018 b. 109 c. 1 d. 10-9 e. 10-18