Assume the first equation using a slack variable is 3x1−x2+s1=150. What is the second equation after the slack variable is introduced?

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Solve for x. −3/4(x+2)=6 enter your answer in the box

Anyone know these questions? i need ,.