11/20 as a simplified fraction

Acidity is measured on the pH scale. The acidity of a substance is given by pH=-logH, where H is the concentration of Hydrogen ions. If a substance has an H value of 0.0008, what is the pH of the substance, rounded to the nearest tenth?

If a quadrilateral has three angles measuring 60',45' and 100' what is the angle of the fourth angle

The length of a text messaging conversation is normally distributed with a mean of 2 minutes and a standard deviation of. 5 minutes. What is the probability that a conversation lasts longer than 3 minutes? 0.043351 0.063748 0.02275 0.095424

You would like to have $4000 in four years for a special vacation following graduation by making deposits at the end of every 6 months in an annuity that pays 7% compounded semiannually.

The graph of a polynomial function has zeros of 3 (multiplicity 2), and - 7 (multiplicity 1). Write a function, in standard form, that could represent this function. How do i find the function for it? and what would it be?

What is the square root of 9764

9 more than one-fourteenth of some number, W can be expressed algebraically as

Find the sum of 3 2/5 + 1 4/5

wo positive integers are 3 units apart on a number line. Their product is 108. Which equation can be used to solve for m, the greater integer? m (m - 3) = 108 m (m + 3) = 108 (m + 3) (m - 3) = 108 (m - 12) (m - 9) = 108

What is a real world situation that could be modeled by dividing two rational numbers