The relative frequency of getting a head when tossing a coin is 3/8 how many heads would you expect if the coin is tossed 400 times

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.