What is the reciprocal of 7/9 it’s a fraction by the way

What is the rotational symmetry of a wheel

Find the zeros of each function. f(x) = x^2 + 5x - 6

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.