The diameter of ⊙S is 30 units, the diameter of ⊙R is 20 units, and DS=9 units. Find CD

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?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921