Identify two possible solutions to the system, ≤2−2 and < −2/3−5

What is the value of x in the diagram below?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.