Does the data set have a positive, a negative, or no correlation? The cost of a meal and the amount of the tip.
No correlation

How can (square root of 25) ^2 be rewritten?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9