37.5%, one third, 0.3, 40%, three fifths

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

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5