In the diagram, PQR is a straight line. Calculate the value of X and Y. HELPP I AM SO STUPID PLZ HELP !¡!¡ please show work and give Answer makes sense :')

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5

The value of cos 30° is the same as which of the following?