The explicit formula is B
Answer:
3x²+11x+20
Step-by-step explanation:
x(3x+5)+2(3x+5)
3x²+5x+6x+20
3x²+11x+20
Add the fraction to both sides of the equation.
Answer:
r=1
Step-by-step explanation:
2r+8-r=-7
1r+8=-7
1r= 1
r=1
Hopefully this helps!
It would go like this 6(b-4)>30 would then be 6b-24>30 then you would have to add 24 to both the -24 and the 30 to get 6b>54 the you would have to divide 54 by 6 and after that your answer would be b> 9