Of 100 students in a university IT department, 45 are enrolled in Discrete Mathematics, 30 in Linear Algebra, 20 in Calculus, 10 enrolled in at least two of the three courses and just 1 enrolled in student is enrolled in all the three courses. How many student take at least of one these courses?

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Write the standard form of an equation with (see picture below)

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !