What is the answer to
(14 + 42) ÷ 7 + 42

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¯¯¯¯¯¯¯¯)?

How many solutions does the nonlinear system of equations graphed below have?

Aline passes through 3,7 and 6,9 what equation represents the line