PLZ HELP! WILL GIVE BRAINLIEST!
Della lives in a city where she pays federal and local taxes on her income. On her last paycheck, 31% of her income was taken out for federal taxes, and then 9% was taken out of her income after federal taxes for local taxes.

If Della's last paycheck was $3,354.00 before taxes, how much was taken out of her paycheck for local taxes?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).