7.2 In the figure below, RDS is a tangent to circle o at D. II BC - DC and CỘS = 40,
calculate, with reasons, the measures of:
7.2.1. BDC
7.2.2. C
7.2.3. A
7.2.4. O¹​

G(x)=x2-16xb=-16, so =16 = 649(x) = (x2 - 16x + 64) - 649(x) = (x - 1)2-

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer