He base of a pentagon lies on ray ab as shown.

determine which statements are true.

x = 7°
(7x + 13)° = 132°
(2x + 14)° + (7x + 13)° = 180°
(2x + 14)° = 90°
(2x + 14)° = 48°

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¯¯¯¯¯¯¯¯)?

Can someone pls ! pls answer all. no explanation needed..

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?