two angles are congruent. the first angle is five more than five times number. the other angle in 15 less than seven times the number. find the measure of each angle?

Can someone answer these problems for me

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.