Point R is on line segment \overline{QS} QS . Given QR=4,QR=4, QS=4x, QS=4x, and RS=5x-9,RS=5x−9, determine the numerical length of \overline{RS}. RS .

For each proportion find the unknown number x 1/5/8=×/15

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

X+y=-4 x-y=2 use elimination with adding and subtraction