When x = 12, y = 36. when x = 3, y = 9. what is the constant of proportionality? enter your answer in the box.

What are the soultion(s) to the quadratic equation 40- x^2=0

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¯¯¯¯¯¯¯¯)?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation