Write a program that takes a first name as the input, and outputs a welcome message to that name. Ex: If the input is:

Pat
the output is:

Hello Pat, and welcome to CS Online!

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp