40 POINTS PL HEL 1.)Write an equation that has the same y-intercept as y = 2x +4

2.) Write the equation of the line that passes through each pair of points in slope-intercept show work.
(0,3) and (2,-5)

(3,5) and (6,6)

(0,-6) and (3,15)

(-1,1) and (3,-3)

(-5, -4) and (15,0)

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4