The cost of a taxi ride is 50 cents for each 1 5 mile, , x, and a $2.50 flat fee. Which statement is correct ?

A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.

Simplify using the vertical method. (2k+3)(2k^2-4k-3)

10 inches divided by 1 half

There are 45 vehicles in a parking lot 3/5 of the vehicles are minivans how many of the vehicles in the parking lot army dance

16-5y=1-4y

Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in a bag and drew a random sample of 30 addresses. He then asked those families if they would help organize the fund-raising party. He found that 12% of the families would help organize the party. He claims that 12% of the neighborhood families would be expected to help organize the party. Is this a valid inference? No, this is not a valid inference because he asked only 30 families No, this is not a valid inference because he did not take a random sample of the neighborhood Yes, this is a valid inference because he took a random sample of the neighborhood Yes, this is a valid inference because the 30 families speak for the whole neighborhood