What is the answer for this question f(x)=a 3/4(7.1b)

The circumference of a circle is 5 pi cm. what is the area of the circle?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.