Acompany has 500 computers that are used by its employees. a sample of 40 of these computers finds that 12 of them require an update to the printer driver. what is the best estimate of the percent of the company's computers that require an update to the printer driver? enter your answer in the box.

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove