Which equation best represents this situation?

The number 63 increased by an unknown number is equal to 105.

A. 63 divided by s = 105

B. 63s = 105

C. 63-s = 105

D. 63 + s = 105

What is the answer to 5*7/8

Out of 225 applicants, 1 5 were successful. Of the successful applicants, 20% couldn't make all the training sessions and were discounted. How many were selected to work at the tournament?

Multiply. Express your answer in simplest form (x^2 - 4x+3) (-3x^2+7x-1) (I accidently made in error in the equation last time)

What are the common factors of 15?

How do you graph a function? for ex: f (x) = - 2x-2

2. Vanessa wants to model how a car's maintenance costs change as the distance someone drives the car increases. What would be an appropriate unit for Vanessa's purpose? Miles/$ Gallons/Miles $/Miles $/Gallons

a population of rabbits triples every month the population starts with two rabbits how many rabbits are there in 3 months?

3. What is the x-coordinate of the vertex of y = 2 (x + 8) (x - 10) ?

Find the values of x for which the equation cos x = 1 is true

12 students in a class brought their lunch to school, which was 48% of the students. How many students are in the class?