What is the area of triangle ABC? С
12
60
60
A
D
B
A 6V3 square units
B. 18V3 square units
C 36V3 square units
D. 72 73 square units
Please help with geometry

Can any one me with the answers to these questions asap?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?