Lisa wants to write an email to her teacher to ask for clarification on a project she is working on in class. How should she address her teacher in the
email?

Hi!

Dear Mrs. Smith

Hi, teacher,

Hey.

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

Kuhl found that babys brains are most open to learning the consonants in their native language at what age? and vowels at what age?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b