A random number generator is used to select an integer from 1 to 100 (inclusively). What is the probability of selecting the integer 69? The probability is
(Type an integer or a decimal. Do not round.)

The system of equations graphed below has how many solutions? y = 2x + 2

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9