A particle travels three quarters of a circle of radius r. What is the magnitude of its displacement?​

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.