The table below gives the number of elementary school children in 16 school districts in a particular region. (a) Construct a cumulative frequency distribution
(6) Construct a cumulative relative frequency distribution
(c) Draw a frequency polygon.
(d) Draw a relative frequency ogive.
Number of Elementary School
Students in 16 School Districts
1073
2400
1260 3693
4800
3938 1050
4527
(a) Complete the cumulative frequency distribution
Students in a Cumulative
District Frequency
1000-1999
2000-2999
3000-3999
4000-4999
2500
4978
3110
3657
3387
1035
3640
4400

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.

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.

What does the pair of equations y = 1, z = 8 represent? in other words, describe the set of points (x, y, z) such that y = 1 and z = 8?