Identify the value of x that makes each pair of ratios equivalent. 2:x and 12:18

A length of string is 42 1/2 inches long. A teacher needs to make 8 equal length pieces from the string. How long should she make each piece? A - 5 5/16 inches B - 8 1/2 inches C - 21 1/4 inches D - 34 1/2 inches

Given the equations of two lines, describe how to determine if the lines are parallel.

Combining oxygen with hydrogen in a fuel cell produces water and energy that can power a car. how many grams of hydrogen must be added to 800 g of oxygen to produce 900 g of water?

A rectangular prism measures 2 2/5 inches by 3 1/5 inches by 2 inch. Priya said, it takes more cubes with edge length 2/5 inch cubes than cubes with edge length 1/5 to pack the prism. Do you agree?

A person flips a coin 26 times and observes 41% of times head. Then, based on her observation, she claims that the probability of getting a head is 41%. Is she referring to an empirical probability or a theoretical probability

Merideth has a set of ninety 1-inch tiles. If she starts with one tile, then surrounds it with a ring of tile to create a larger square, how many surrounding rings can she make before she runs out of tiles?

five whole numbers are written in order (4, 6, x, y, 10). The mean and median of the five numbers are the same. Work out the values of x and y.

What figures can be drawn in a circle with 2 perpendicular diameters?

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 67 and 83 degrees during the day and the average daily temperature first occurs at 8 AM.

What is decimal expansion?