Find the area of the shaded region. 80°, 5cm. A≈? Cm^2

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

How do i do this activity, is appreciated

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126