Substitute the value n = 4 in the expressions

2n
n + 2
3(n+4)​

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

What expression is equivalent to 42x-56y