in triangle ABC measure angle B= 51.5 degrees, a=15, and b=21. find the measure of angle A to the nearest tenth of a degree

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Select the quadratic that has root x = 8 and x = -5

What does independent variable and dependent variable mean in math?