Use the square root property to solve the equation.x2 - 19 = 0
A. {
}
B. {-
, 
}
C. 
D. {361}
Answer: B
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Factor out the GCF from the polynomial.60x + 20
A. 20(3x + 1) B. 4(15x + 5) C. 5(12x + 4) D. 20(3x)
Using a dot product, calculate the work done in the given situation.A car is pulled 180 feet on level ground by a constant force of 75 pounds applied to a rope inclined at an angle of 9° relative to the ground.
A. 2111.9 ft-lb B. 13,333.8 ft-lb C. 13,500 ft-lb D. No work is done
Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.-5x + 3z = 16 7x + 5y - 9z = -26-3x - 7y = -45
A. {(1, -6, -7)} B. {(6, 7, 6)} C. {(1, 6, 7)} D. ({2, 4, 7)}
Solve.A $2000 painting is on sale at 30% off. How much will the necklace cost?
A. $600.00 B. $60.00 C. $1400.00 D. $1940.00