HELP! 1. Choose one of these equations: (9 points)
10x + 12y = 10,500
4x + 6y = 2,340
10x + 6y = 150
a. Write your own word problem that could match one of the equations above.
b. Rewrite the equation in slope-intercept form.
c. Graph the Equation

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so