Please find sin r please

What is the y intercept of f(x)=(1/2)^x?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x