Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 14, a6 = 224
A. a1 = 14, r = 2
B. a1 = 224, r = 0.5
C. a1 = 7, r = 0.5
D. a1 = 7, r = 2
Answer: D
Mathematics
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Calculate the Riemann sum 
?xi for the given data.f(x) = x + 4; P: 2 < 2.75 < 3.25 < 4.5 < 5.5; 
= 2, 
= 3, 
= 4.25, 
= 5
A. 28 B. 27.7216 C. 27.3125 D. 26.0125
Mathematics
Simplify, if possible.
÷ (4b2 - 25a2)
A. - 
B. - 
C. 
D. 
Mathematics
Write parentheses around the two addends that would be easiest to add. Then find the sum.
+ 9 + 11
A. 
+ (9 + 11) = 
B. 
+ (9 + 11) = 
C. (
+ 9 + 11) = 
D. 
+ (9 + 11) = 8
Mathematics
Graph the equation 
.
A. 
B. 
C. 
D. 
E. 
Mathematics