Answer quickly: in the following equation, a, b, and c are constants and y is the variable. solve the equation for y. show each ! aby-b=c

Solve the system of equations. y= 2x y= x^2 - 15

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)