8x-10=x+11 what is the answer i tired to figure it out

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer