Koko and John are simplifying the expression 5x - 4 + x + 2

Koko 5x - 4 + x + 2 = 6x - 2

John 5x - 4 + x + 2 = 5x - 2

Who is correct and why?

three baseball players are playing catch. steve is directly south of jane and directly west of isaac. steve and isaac are 6 meters apart and isaac and jane are 10 meters apart. how far apart are steve and jane?

To solve 9x^2-12+4=49 by using the square root property, you would first rewrite the equation as

Neena just earned her bachelor's degree. Based on her qualifications and desire for the highest pay scale, which career would she be best suited for?

Since 1in is 2.54cm find the dimensions of the original painting in inches.

On 7 jobs, a welder charges 3.5 hours, 9.5 hours, 4 hours, 5.5 hours, 12 hours, 8.5 hours, and 6 hours. Find the average hours billed per job.

If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place?

What is another way to express 64? A) 3 ^4 B) 6 ^4 C) 6.4 x 10^2 D) 8^2

Which values, when placed in the box, would result in a system of equations with no solution? Check all that apply. y = - 2x + 4 6x + 3y = A: - 12 B: - 4 C: 0 D: 4 E: 12

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.

You are planning a huge graduation party for your son. You decide to offer both a beef and a chicken meal at the party. The chicken dish costs $5, and the beef dish costs $7.