Find the value of - b/2a of the following quadratic.

f(x)=2x^2 + 2x – 4

Mary had at least an 80% on her test write an inequality to represent this situation

Find two rational expressions that have the difference of 2-n/n-4

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?