A point representing the location of a library is shown on the coordinate grid. A museum is located 3.75 units from the library. y 9 00 7 6 5 4 • Library 3 3 2 1 0 1 2 3 4 5 6 7 8 9​

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¯¯¯¯¯¯¯¯)?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

What percent of 18 is 24? and plz explain thx.