The variable y is in joint variation with x and z. When the values of y and z are 4 and 6, x is 16. What is the value of y when x = 8 and 2 =12?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.