let R be the region bounded by the curve C with equation y=f(X),the x-axis ,the line X=a and X=b , where a<b. if C cuts the x-axis at the point(C,0),with a<C<b. then the area A of R is given by???​

2-digit numbers less than 91 which are 1 less than a multiple of 10

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28