Games at the carnival cost $3 each. The prizes awarded to winner cost $145.65. How many games must be played to make at least $50?

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¯¯¯¯¯¯¯¯)?

Ineed to know the answer to this algebra question.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20