Answer:
A
Step-by-step explanation:
3x+4(3x+6)= 15x+24
distribute 4(3x+6)
which equals 12x+24
3x+12x+24= 15x+24
Now combine like terms
15x+24= 15x+24
its equal so BOOM .
Answer: 69
Step-by-step explanation: a triangle adds up to 180 degrees. It is an isosceles triangle (2 sides are the same angle) 180-42=138 then do 138/2=69
2.8 < x -0
Answer: 54
trust me
