Find an equation for the ellipse described. Graph the equation.Vertices at (5, -4) and (5, 8); length of minor axis is 6
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Find the product. Write the answer in standard form.7i(5 - 5i)
A. 35i + 35i2 B. 35 + 35i C. 35i - 35 D. - 35i - 35i2
Mathematics
Use Cramer's Rule, if possible, to solve the system of linear equations. 
A. 
B. 
C. 
D. 
Mathematics
Find all numbers that are not in the domain of the function. Then give the domain using set notation.f(x) = 
A. 
, -1; 
B. - 
, 1; 
C. 2, -1; 
D. -9,-1, 
; 
Mathematics
Solve the problem.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 110, 145, 194 B. 117, 145, 194 C. 124, 159, 208 D. 110, 145, 173
Mathematics