There are 48 students in a speech contest. Yesterday, 2/3 of them gave their speeches. Today, 4/3 of the remaining students gave their speeches. How many students still haven't given their speeches?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)

Enter the amplitude of the function. f(x)=3cosx