The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. find the value of x and the length of wach sides of triangle

What is the mean of the data set 125, 141, 213, 155, 281

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.