the resistance of a parallel circuit is given by the formula 1/a = 1/b +1/c find the value of b (correct to two decimal places) if a = 9 and c = 25. PLEASE HELP

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

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|

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?