move the 3 to the 7 side. it will become negative.
9x-5x=7-3
4x=4
x=1
The diameter is exactly twice the radius.
Take both sides as powers of 4:
Do it again:
Answer:
mode : the value that appears most frequently in a data set
mean : te everage of all number
median : the middle number in a sorted, ascending or descending
range : the difference between the largest and smallest numbers.
ANSWER ;
mode : none
mean : 145.4 ( you need to add all the number and divide by how many your family member)
median : 159
range : 80 ( the largest - the smallest)
