Ados x=1,y=2,z=−1 entonces el valor numérico de la expresión
(8x2–12xyz+4yz2)÷(2x)

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.