David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost$1.50each and sodas cost $0.50each. At the end of the game, David made a total of $78.50and sold a total of 87nachos and sodas combined. How many nachos and sodas did he sell?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude