Which function has a phase shift of pi/2 to the right?

a) y=2sin(1/2x+)

b) y=2sin(2x+pi)

c) y=2sin(x+pi/2)

d) y=2sin(x-pi)

e) y=2sin(2x-pi)

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)