the number of students in a school increase to 504 from 450 after the good results shown in the board exams .What is the percentage increase in the number of students​

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

Yasmin purchased 6 heads of cabbage that each weighed 2 3/8 pounds how much did the cabbage way all together