If 30 people claimed that they get an average of seven hours of sleep, how many people claimed that they get six or less hours of sleep each night? [type your answer as a number.]

Plz i want answer and i would appreciate it is is a b c or d

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?