The sum of the numerator and the denominator of a fraction is 216. The fraction is equivalent to $\frac{2}{7}$. What is the value of the denominator?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)