Solve the system of linear equations.
x + 
y = 4
x - 2y = 21
A. (6, -8)
B. (-6, 8)
C. No solutions
D. 
Answer: A
You might also like to view...
Solve the problem.A stone thrown downward with an initial velocity of 14.7 m/sec will travel a distance of s meters, where s(t) = 4.9t2 + 14.7t and t is in seconds. If a stone is thrown downward at 14.7 m/sec from a height of 431.2 m, how long will it take the stone to hit the ground? Round your answer to the nearest second.
A. 11 sec B. 3 sec C. 19 sec D. 8 sec
Write the number as the sum of two primes. There may be more than one way to do this.12
A. 3 + 9 B. 5 + 7 C. 2 + 10 D. 6 + 6
Write an inequality whose solution set is the interval.(-5, -3)
A. -5 ? x ? -3 B. -5 < x > -3 C. -5 < x < -3 D. -5 > x > -3
Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.60°
A. Quadrant I
B. Quadrant IV
C. Quadrant I
D. Quadrant I