January 2015

A Petri dish holds a colony of bacteria. Every minute, each bacterium divides into two. At noon, there was only a single cell in the Petri dish. At 12:43 (43 minutes later), the Petri dish was half full. At what time will the dish be completely full?






About Masterminds
Standard Tutoring - Two on One. Private Tutoring - One on One. No contract required.
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Unlike classroom teachers, your tutors are able to adapt to my child’s learning style and teach at her pace.”

– Parent of Vestavia High School Student | Watch Testimonials


6th Grade – 12th Grade

Math 6 & 7, Pre-Algebra,
Algebra I, II (Alg II w/ Trig), & III
Pre-Calculus, Calculus, Statistics


6th Grade – 12th Grade

Chemistry, Physics, Biology, Physical Science, Anatomy


6th Grade – 12th Grade

Grammar, Research Papers, Literature

Test Prep

6th Grade – 12th Grade


Foreign Languages

6th Grade – 12th Grade

Spanish, French, Latin. Additional languages are available on request.

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Our Rates

You can book appointments on an as-needed basis or you can have reoccurring appointments at the same time each week. We require four hours notice to cancel or reschedule an appointment at no charge. You can book appointments by calling our office, emailing david@mastermindsbham.com, or using the online scheduling system. You must call the office to request a same-day appointment.

Standard Tutoring: $45 per hour. Private Tutoring: $60 per hour (no prepaid packages). Discounted Prepaid Packages: $40 - $160 off total price.Book an Appointment

Work With Us

Masterminds is always looking for bright, relational tutors. The primary subject demand is math and science; however, we have tutors for all subjects. Tutors must pass a skills test in the area for which they would like to tutor and complete our training.

In order to teach our ACT courses, you must have a college degree and complete our curriculum training.

To apply, please send your resume to bettergrades@mastermindsbham.com