Which statement proves that a is parallel to b? ∠10 is supplementary to ∠11
∠8 is supplementary to ∠12
∠1 is congruent to ∠6
∠5 is congruent to ∠13
Which statement proves that x is parallel to y?
∠14 is supplementary to ∠15
∠2 is supplementary to ∠3
∠6 is congruent to ∠9
∠12 is congruent to ∠13

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

9/10 divide by -3/15 as a mixed number

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).