if the degrees of a triangle are 60 degrees, 3x degrees, and (x+20) degrees, and the sum of the angle measures is 180 degrees, what is the value of X

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100