The diagram shows triangle ABC. A
819
8.2 cm
С
13.5 cm
B В
Calculate the length of AC.​

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

she will travel a distance in the range of 3 - 11 miles

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.