Solve the system of equations by substitution, if a solution exists.
A. x = -1, y = 5
B. No Solution
C. x = 0, y = 5
D. x = 0, y = 4
Answer: D
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Graph the integers on the number line.-10, -8, -6, -4 
A. 
B. 
C. 
D. 
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 
Use roster notation to name the set.The set of all letters in the word "number"
A. {n, u, m, . . . } B. {n, u, m, b, e, r, s} C. {n, u, m, b, e, r} D. {n, . . . r}
Solve the problem.Suppose a continuous random variable has a joint probability density function given by src="https://sciemce.com/media/4/ppg__hmhbm0603191745__f1q69g6.jpg" style="vertical-align: -23.0px;" />
A. 0.1
B. 0.125
C. 0.4
D. 0.275
Find the probability that a point (x, y) is in the region bounded by 
and 
by evaluating the integral