N2 =−7
The n2 is a fraction

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¯¯¯¯¯¯¯¯)?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.