Brittany started babysitting. She started off with $15 in her account, and her babysitting rate is $10 an hour. The first week she babysat, she worked for 4 hours. The second week she baby sat, she worked 6 hours. The third week she babysat for 2 hours. If in the fourth week she babysits for 8 hours, how much total money will she have?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola