What’s the GCF of 84 and 42

need help my boyfriend needs da help! and it needs too be worked out like the pic says

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

If you could answer these your a life saver

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.