Evaluate the expression for the given replacement values.
+ y2
x = 5, y = 9
A. 
B. 
C. 
D. 43
Answer: B
Mathematics
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Solve.7
- y2 = 21 y = x2 - 3
A. (- 
, 0), (
, 0), (- 
, 7), (
, 7)
B. (0, - 
), (0, 
), (7, - 
), (7, 
)
C. (- 
, 7), (
, 7)
D. (- 
, 0), (
, 0)
Mathematics
Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(4, 6), (4, -10), (7, -2), (1, -2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
?Provided 
and 
, solve 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_f1062cac2bca49939d536f540" /> for w.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Determine which is the better buy.A 6-pack of computer disks for $5.04 or a 12-pack of computer disks for $11.16
A. A 12-pack of computer disks B. A 6-pack of computer disks
Mathematics