Which of these shows the result of using the first equations to substitute or y in the seconds equations then combining like term? y=3x2x+3y=55a.5x=55b.9×=55c.11×=55d .5y=55

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¯¯¯¯¯¯¯¯)?

Write the pair of fractions as a pair of fractions with a common denominator

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy