What is -9 x 8 + 2 + 2 x 18 - 1010 + ?

Find the solutions for a triangle with a =16, c =12, and b = 63º

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? a. one b. zero c. four d. two