Solve the system of equations by the substitution method.
A. no solution
B. (19, 5)
C. infinite number of solutions
D. (5, 19)
Answer: D
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Provide an appropriate response.Suppose that you want to construct a pie chart to represent the following data. 
O90A84B18AB 8Explain how you would calculate the angle for the sector corresponding to the blood type O.
What will be an ideal response?
Solve.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 30 sec B. 7 sec C. 22.5 sec D. 11 sec
Factor the polynomial. If the polynomial is prime, so state.x2 + 11xy + 28y2
A. (x - 4y)(x + 7y) B. (x - 4y)(x + y) C. (x + 4y)(x + 7y) D. prime
Determine if the given ordered triple is a solution of the system.2x + 4y + z = -122x - 5y - z = -72x + y + 4z = -3(2, -1, -5)
A. Yes B. No