Angle x is (2n+12) and angle y is 3n+18 find the measure of angle x

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%