Nathan usually drinks 36 ounces of water per day. he read that he should drink 57 ounces of water per day. if he starts drinking 57 ounces, what is the percent increase? round to the nearest percent. the percent increase is ? %

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y