Gas prices decreased this week from $4 per gallon to 3.80 dollars per gallon what is the percent decrease

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.