ASAP HELP What is the pH of a solution with a hydronium ion concentration of 5.6 × 10-7? (pH = -log[H3O+])

A.
5.6

B.
6.25

C.
7.00

D.
14.40

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.

What is the measure of minor arc dm?