Helppp I will make you a brainlist!!

A=[4 6 5 ] , then what is 2A?
6 10 7

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Give me the equations of two lines that have the same slope but are not parallel.