Answer:

Step-by-step explanation:

Or, if you mean (r+3Q)/h=t:

The answer is (2x-1)(2x-3)
6 is 4.9 and 6.2 but i’m not sure about 7 tho
Area = πr². So you have the diameter which is 56 millimeters. And the radius (r) is half the diameter, so the radius would be 28 mm. Square 28 would be 784, multiplied by π would equal 2463.00864mm. Rounded to the nearest hundredth would be 2843.01mm².