Can someone plz help its a quiz so i need an explanation Giving brainliest
And lots of points so plz dont waste them.

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

X-10/4 when x = –18 a 7 b –2 c –7 d 2

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?