Simplify the expression and combine like terms. 3(x+1)+8+4x3(x+1)+8+4x

please help, it would mean the world to me :D

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Find the roots of the equation below. x^2 - 6 + 9 = 0

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?