Mikaela is competing in a race in which she both runs and rides a bicycle. she runs 5 kilometers in 0.5 hour and rides her bicycle 20 kilometers in 0.8 hour. at the rate given, how many kilometers can mikaela run in 1 hour?

What is the total surface area of this square pyramid?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours