La suma de dos números es -18 y su diferencia es 0. ¿Cuáles son los dos números?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

The quotient of 15 and a number is 1 over 3 written as an equation