Solve using the elimination method.2x - y = 53x + y = 15
A. (4, 3)
B. No solution
C. (4, 4)
D. (3, 4)
Answer: A
Mathematics
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Solve the differential equation.y' + 2xy = 23x
A. y = 23 + cex2
B. y = 
+ 2x + ce-x2
C. y = 
+ cex2
D. y = 
+ ce-x2
Mathematics
Solve the problem.John's Office Supply paid $1903 for their monthly supply order in February. This total was down 13.5% from the amount they spent on their January order. What was the total amount of their January order?
A. $1646 B. $1741 C. $2200 D. $2160
Mathematics
Polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. (-1.3, -3.5) B. (1.3, 3.5) C. (3.5, 1.3) D. (-3.5, -1.3)
Mathematics
Convert the given interest rate to decimal form if it is given as a percentage, and to a percentage if it is given in decimal form.0.25 to percent
A. 25% B. 2.25% C. 2.5% D. 0.0025%
Mathematics