Find the missing length. round to the nearest tenth, if necessary.

a right triangle has legs measuring 8 units and x units and a hypotenuse measuring 21 units.
a. 441
b. 22.5
c. 64

In the diagram of circle a what is m

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )