Aschool requires 2 computers for every 5 students. write a proportion that gives the number c of computers needed 145 students.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle