Which of the relations given by the following sets of ordered pairs is a function?

If f (x) = (3x + 7) ?, then f (1) = ?

A square has an area of 100. What is the length of each side?

How to solve using substitution y=3/4x+5 and 4x-3y=-1

Given that cos a = 1/3 find cos 2a

Account You have a job interview that is 330 miles away. If your average driving speed is 55 miles per hour, how long will it take you to get there? Show your work. Check your answer.

Find the inverse of A (r) = 15+3r

What is the 7 described as in 2 x 5 + 7 (3 + 13) ?

Write an expression that is equivalent to 4 (x+2y)

For an employee training, the employee to instructor ratio is 18 to 2. If there are 20 instructors for the training, how many employees participated in the training?

Marisa drank one cup of milk and ate x small vanilla cookies for a snack. The linear equation below represents y, the total number of calories in Marisa's snack. y = 12x + 120 a. what is the y-intercept represented by this equation? b.