A box contains 8 red marbles, nine blue marbles and 11 yellow marbles. what is the probability that a marble chosen randomly from the box is blue? leave answer as a fraction.

A tank, shaped like a cone has height 11 meter and base radius 4 meter. It is placed so that the circular part is upward. It is full of water, and we have to pump it all out by a pipe that is always leveled at the surface of the water.

The height of a rectangle, in which a = 10x^2 ft^2 base is 2x ft

Find the median of the following data set. 9, 1. 7. 5, 5, 0, 6, 1, 3

Whats 8.3 repeating as a fraction

Identify the domain and range of each relation { (-1,5), (0,6), (1,7) (2,9) }

20,30,40,50,60,70,80 the mean of the number set is

Rewrite the function by completing the square r^2+18x+80=0

8,669 - (4,398 + 571) is this an equation

Bernardo graphed the amount of money he earned each week mowing lawns. A line graph titled Lawn Mowing Money has weeks on the x-axis and money on the y-axis.

Y = x + 4 3x + y = 16