What is 12% of 85 im having a hard time with this question

Is the simplified form of 2√3 - 2√3 rational? Yes No

Simplify (x^2 y^3) (x^4 y^2) a. X^6y^5 b. x^8y^6 c. 2x^8y^6 d. 2x^6y^5

Explain he differences between properties of equality and properties of inequality when solving equations and inequalities.

In how many ways can you select two people from a group of 20 if the order of selection is not important?

If the circumference of a circle is 56.52 what is the area

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.