Solve the problem.Find the sum of the first 45 positive even integers.
A. 2020
B. 2024
C. 2074
D. 2070
Answer: D
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 
A. Positive B. Negative C. Zero
Mathematics
Solve the equation for y.3x + y = 15
A. y = 5 - x
B. y = 3x + 15
C. y = 15 - 3x
D. y = 
Mathematics