Find the missing measurement. Use 3.14 for it.*
Radius: 6 mm
Diameter: 12 mm
Area: A=
18.84 mm squared
37.68 mm squared
113.04 mm squared
452.16 mm squared
One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?