Determine the gear ratio for a bike with 45 front teeth and 18 rear sprocket teeth. 18/45 = 0.4
45/18 = 2.5
18(45) = 810
45 – 18 = 27
CONTINUED

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¯¯¯¯¯¯¯¯)?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?