Answer:
The y-intercept is when x = 0 so that means that the y intercept is (0, -8) or -8.
Okay so they were both 9, nine years ago because 9 plus 9 is 18.
They would both be 18 in the present age im pretty sure?
The answer is 58 .
5x5=25
2x2x2x2x2=32
25+32=57
57+1=58
Answer:
1 is 13
2 is 12
3 is 18
Step-by-step explanation:
Answer: 3x^4+7x^3+7x^2+11x+4
Step-by-step explanation:
(x^2+3x+4)(3x^2-2x+1)
3x^4-2x^3+x^2+9x^3-6x^2+3x+12x^2-8x+4
Collect like terms
3x^4-2x^3+9x^3+x^2-6x^2+12x^2+3x+8x+4
3x^4+7x^3+7x^2+11x+4