How do i have 29% in a class while i have a 100 a 0 and 29 which equals 129 divided by 3 which equals 63.333

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¯¯¯¯¯¯¯¯)?

Solve the inequality and graph 6j - 7 < 5

Which table shows a proportional relationship between miles traveled and gas used?