139 / 263 Marks The pictogram shows the amounts Judy saves in four months.
August
Key:
September
represents £20
October
November
a)
Work out the total amount of money that Judy saves in the four months.
b)
Judy spends £172 on Christmas presents.
How much money does she have left?

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?