Which pair of expressions below are equivalent (the same)? 1. 2(9x) and 11x
2. 8x + 5x and 40x
3. 3(6x + 1) and 21x
4. 2x + x + x and 4x

Please help it’s a test

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.

Solve this problem! extra ! 3025/5.5 = a/90.75

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?