Saving for a bike
janelle is trying to save money in order to purchase a bike. the bike
costs $486. she has three different ways of making money, which are
shown in the table below.
mowing lawns $8 per lawn
walking dogs $5 per walk
washing cars $9 per car

What is the smallest integer n such that n\sqrt{2} is greater than 20

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?