Find the area of the blue sectors below. Round your answer to the nearest whole number. Use 3.14 for Pi

The system of equations graphed below has how many solutions? y = 2x + 2

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Nine more than four times a number is the same as one less than twice the number. find the number?