(plz hlp me asap)
which expression is the multiplicative inverse of r, where r is a non-zero number?
a. -1/r
b. - r
c. 1/r
d. 2r

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8

Triangle xyz with vertices x(0, 0), y(0, –2), and z(–2, –2) is rotated to create the image triangle x'(0, 0), y'(2, 0), and z'(2, –2). which rules could describe the rotation? check all that apply. r0, 90° r0, 180° r0, 270° (x, y) → (–y, x) (x, y) → (y, –x)