Find the first term and the common difference for the arithmetic sequence.S3 = 33, a3 = 20
A. a1 = -38, d = 9
B. a1 = -38, d = 13.33
C. a1 = 2, d = 9
D. a1 = 2, d = 13.33
Answer: C
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A. 5 B. 11 C. 7 D. 15
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.? = 
A. 
y = 
x; line through the pole making
an angle of 
with the polar axis
B. 
y = - 
; horizontal line 
units
below the pole
C. 
2 + y2 = 
; circle, radius 
,
center at 
in rectangular coordinates
D. 
y = - 
x; line through the pole making
an angle of 
with the polar axis
Find the probability to the nearest hundredth that the random variable of the probability density function has a value greater than the mean.f(x) = 
- 
; [3, 4]
A. 0.57 B. 0.51 C. 0.49 D. 0.54