How do you know that the sum of (-2^3/4) and 5/9 is rational? The sum is a terminating and a repeating decimal. The sum is a non-terminating and a non-repeating decimal. The sum is a fraction. The sum is an integer.

36 inches/second = yards/minute how many yards?

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¯¯¯¯¯¯¯¯)?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?