Please help Consider this equation . cos(theta) = (sqrt(11))/5 an angle in quadrant I, what is the value of sin(theta) theta OA OB (sqrt(154))/11 (sqrt(14))/5 - (sqrt(154))/11 - (sqrt(14))/5 O OD .

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?

Which statement best explains why ben uses the width hi to create the arc at j from point k

If f(x)=3 over x+2 - square root x-3 then f(7)=