Encontrar la ecuación canónica de la parábola que tiene eje focal horizontal y contiene los puntos (-1, -1), (0, 1), (1, 0). Resolver el ejercicio anterior suponiendo que el eje focal es vertical

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?