Hi there, I really need help. We are doing proportions but I have no clue how to do it. Can you please tell how to solve it and with the answer. PLEASE HELP!! ​

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)