16 is 8% of what number?

9 is 15% of what number?

6 is 50% of what number?

30 is 60% of what number?

127 is 25% of what number?

21 is 10 1/2% of what number?

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0