Write 2.4 as a mixed number and as an improper fraction.
Write your answers in simplest form.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12% d. 46.83%