First divide bot sides of the formula by 1/2(3.14):-
2A / 3.14 = r^2
r = sqrt (2A/3.14)
Answer:
Mr. Jones
Step-by-step explanation:
it's Mr. Jones because he drove 63.6 miles and his wife drove 61.3
So you have the equation (2x+4)/-3=12
Multiply by -3 on each side.
2x+4=-36
2x=-20
x=-10
Hope this helps.