In a class of 20 students:
11 people have a brother
9 people have a sister
6 people have neither
fill in the venn diagram.

i really need , my hw is due in tomorrow and i can't seem to find the answer.

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.