Simplify the expression 5 (n^2+n) - 3n (2n^2+4n-2)

What is the hydronium ion (H30+) concentration in milk if it has a ph of 8.2

The probability of a person getting a job interview is 0 54. What are the odds aganist getting the interview?

69 + 12 can be rewritten as 3 (_*_)

If both the x-axis and y-axis are measured in feet a x-axis represents the ground, what is the width of base of the piece of equipment?

There were 8 socks of white, green and blue shuffled in a draw. The probability of selecting a white sock is 1/4. What is the probability of selecting a green sock if the probability of selecting the yellow sock is 5/8?

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.