Which pair of parentheses can be removed without changing the value of this expression? (1+2)*(6-3)+(5*8)/(9-4)

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

With alll of except for the 2 that i did already

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree