A heavy cube of side 8 cm is placed vertically in a cylindrical tank of radius 7 cm
which contains water.
Calculate the rise in the water level if the
original depth of water was:
a 10 cm
b 2 cm.
(Leave the answers in fractional form.)

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?