1. The tour operators thought it would be a good idea to get a
souvenir T-shirt for each
customer who went on the
Ocean Bike Tour. They found a
company who would sell them
shirts with their logo for $6.25.

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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¯¯¯¯¯¯¯¯)?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.