You just have to find the angle whose sine is 0.1045. Use the sin-1 key on your calculator ( make sure its set to degrees first)
m < B = 6.000 degrees to nearest thousandth
D = 390mi
r = 60 mi/h
390/60 = 6.5
(t) = 6.5 h
The answer is:
The pineapples Mr. Lester sells are $2.40
The answer is C just because the domain is the x in an x,y pair