Of the 30 girls who tried out for lacrosse team 12 were selected. of the 40 boys that tried out 16 were selected. are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls? explain.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Ineed asap. 35 points. in order for two polygons to be similar, two conditions must be met. first, all pairs of corresponding sides must be in proportion. second, all corresponding angles must be congruent. prove that angle congruence is not enough, by itself, to establish that two polygons are similar. do this by describing or drawing two polygons that are not similar but whose corresponding angles are all congruent.

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?