Write a line of code to convert time to hours. Remember there are 60 minutes in an hour. Then write a line of code to calculate the speed of each runner in miles per hour. Speed is distance divided by time. name <- c("Mandi", "Amy", "Nicole", "Olivia") distance <- c(0.8, 3.1, 2.8, 4.0) time <- c(10, 30, 40, 50) This is in R

Melissa needs to add a topic to an email that she will send to her teacher. choose the name of the field where she should type her topic.

When is it appropriate to use an absolute reference

How to launch an app: steps to be successful? launching an app is a great idea, but it’s not that easy as we supposed to think. the majority of mobile applications don’t generate revenue because companies aren’t ready to be competitive. referring to our experience in successfully building and launching apps we hope to you omit these difficulties. we are going to talk about ideas, marketing, testing your product, its development, distribution and support. you will learn 8 product launch stages to succeed.