What does the closed circle on a inequality number line mean?

Write 87 1/2% as a fraction in simplest form

What is 280 divided by 4

Razon ben say 9 is greater than 2 so 7.09 must be greater than 7.2 do you agree?

Slope of (-5,7) (-2,9)

Norman weighed his loaded truck of apples at a weigh station. It weighed 15 tons 100 lbs. His empty truck weighed 3 tons 200 lbs. What was the weight of his load of apples?

The time, t, required to drive a fixed distance varies inversely as the speed, r. It takes 8 hr at a speed of 15 km/h to drive a fixed distance.

Solving systems by elimination (y=-x+1) (y=4x-14)

A bakery's balance sheet shows the following assets (in thousands) : cash, $356; accounts receivable, $600; inventory, $510; property, $1206; other assets, $535.

On the surface, it seems easy. Can you think of the integers for x, y, and z so that x³+y³+z³=8? Sure. One answer is x = 1, y = - 1, and z = 2.

In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 2/7of the drink is apple juice and 1/2is orange juice then write the ratio of cranberry juice to apple juice to orange juice in its simplest form.