Determine the total of roots of each polynomial function

g (x) = 5x-12x^2+3

D^2y/dx^2+4dy/dx-12y=cos2x

Evaluate the expression 5^2+10.2*4-2

What is the quotient of a number and three is negative four

Man is planting a section of garden with tomatoes and cucumbers the available area of the section is 130 ft.

What is 3.24 rounded to one decimal place?

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.