Pilar and Ravi start at opposite ends of a 55-mile bike trail. They start riding their
bikes toward each other at the same time. After 3 hours, they meet. Pilar rides
34 miles before they meet. What is Ravi's average speed? Show your work.

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which number line correctly shows 0.8 + 0.3?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?