Answer:
r/2 -6
Step-by-step explanation:
less than means it comes after
half of r
r/2
6 less than means subtract
r/2 -6
Answer: −
2
±
√
13
Step-by-step explanation:
(-b±√(b²-4ac))/(2a)
Plug in and solve.
Answer:
11?
Step-by-step explanation:
Hope I'm right! (:
Using 3.14 it would be 143.06625
using the pie symbol it would be 143.138815279