A QUESTION ON MATH
A university student can choose one elective course for his study from two different faculties.
Faculty A provides 15 courses and faculty B provides 31 courses. How many choices are there for the student if
(a) all the courses provided are different?
(b) 2 courses from faculties A and B are the same?

What is the slope of a line that is perpendicular to y = 3x + 1

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.