Given sinx=4/5 and cosx=3/5 .

what is ratio for tanx ?

enter your answer in the boxes as a fraction in simplest form.

Is the figure congruent? yes or no?

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

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)