Simplify both pls with explanation only if u can

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.