Which point lies on the lines described by the equation below y+8=4(x-5)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9