12. 81 X 11 box method shown work

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|