Find the indicated partial sum for the sequence.-1, 5, 11, 17, 23, . . . ; S5
A. 83
B. 125
C. -5
D. 55
Answer: D
Mathematics
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Find the area.
a = 70 ft, b = 80 ft
A. 5600 ft2 B. 11,200 ft2 C. 280 ft2 D. 150 ft2
Mathematics
Letting r stand for "The food is good," p stand for "I eat too much," and q stand for "I'll exercise," write the following in symbolic form.If the food is good and if I eat too much, then I'll exercise.
A. p ? (r ? q) B. r ? (p ? q) C. (r ? p) ? q D. r ? (p ? q)
Mathematics
Find an equation for the ellipse described.Center at (0, 0); focus at (-2, 0); vertex at (5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Perform the indicated multiplication.9(-9)
A. 81 B. -81 C. 90 D. -90
Mathematics