What is the equation of the graph below? a graph shows a parabola that opens up and does not cross the x axis. the turning point is at negative two comma three. a y = − (x − 2)2 + 3 b y = (x + 2)2 + 3 c y = − (x + 3)2 + 2 d y = (x − 3)2 + 2

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?