The angle of elevation between a fishing vessel and the top of a 50-meter-tall lighthouse is 12 degrees . What is the approximate distance between the fishing vessel and the base of the lighthouse? A.
10.6 meters
B.
48.9 meters
C.
235.2 meters
D.
240.5 meters

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)