A parallelogram ABCD has vertices A(1, 4), B(2, 7), C(-1, 3). Determine the coordinates of vertex D.

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?