Select all of the equations that are true. 9. (16. + 2) = (-40-2) - 3.r (9z+ 4) - (6 - 3z) = 12z - 2 (5n-) - (2n - }) = (+ 6n) - (5 +3n) (-8.1m - 2) - (-2.4m - 3) = -10.5m - 5 0 (7 - 3a) - (4 - 5b) - (6 + 2a) = -3 - 3a -- 5b

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext