Ken has 7 baseballs each baseball weighs 0.3 pounds . Ken wants to use this model to find the total weight of the baseballs . Each hundredths block in the model represents 1 whole

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.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Solve the system of equations. y= 2x y= x^2 - 15