Can you me write an equation and solve this for me? you paid $6000 for a new guitar. your guitar cost $40 more than twice the cost of your friends guitar how much did your friends guitar cost?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which statement justifies why angle ebc measures 90?

What is the area of the triangle 10 13 12