Simplify the expression.25 - 72 ÷ 6 ? 5
A. -210
B. -335
C. -35
D. -334
Answer: C
Mathematics
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Find two sets of parametric equations for the given rectangular equation.y = 2x + 1
A. x = t, y = 2t + 1; x = 2t, y = t + 1
B. x = t, y = 2t + 1; x = t, y = 
+ 1
C. x = 2t, y = t + 1; x = 
, y = t + 1
D. x = t, y = 2t + 1; x = 
, y = t + 1
Mathematics
Solve the equation.log3(x + 3) = 3 + log3(x + 1)
A. 
B. 
C. 
D. 
Mathematics
Find the standard form of the equation of the ellipse and give the location of its foci.
Center at (-1, 2)
A. 
+ 
= 1
foci at (-1 + 3
, -1) and (-1 - 3
, -1)
B. 
+ 
= 1
foci at (2 + 3
, -1) and (2 - 3
, -1)
C. 
+ 
= 1
foci at (- 3
, 2) and (3
, 2)
D. 
+ 
= 1
foci at (-1 + 3
, 2) and (-1 - 3
, 2)
Mathematics
Factor. Assume that variables in exponents represent natural numbers.
x6a + y6az9b
A. 
B. 
C. 
D. 
Mathematics