Which of these strategies would eliminate a variable in the system of equations? 10x + 4y = -2
5x – 2g = 2
•Multiply the bottom equation by 2, then subtract the bottom equation from the top equation.
•multiply the top equation by 1/2, then add the equation.
•add the equations

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

What is the area of the triangle 10 13 12

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply