Romia teaches jazz classes. she has 9 students
in each class, and she teaches all the students who
play two instruments. how many students does she
have, and which two instruments does she teach?
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write math
explain how you could use

Hello everybody. can anybody me come up with detailed study plan on what topics to study from algebra 1 & 2, trig, and any other topic nesscery for success as a new beginner in pre-calculus. i dont have much math history but the basics. this will greatly me.

In which form is the following function written? y = - 2(x – 3)(x + 5)

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?