Which number is the best approximation for 4√5−2√3 ?

a. 0.5

b. 5.4

c. 6.9

d. 12.2

The value √10 and √15 are plotted on the number line

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Can someone me with these two circle theorem questions asap?