Could someone me with this ? we just started this today and don't understand it. "write an inequality for each graph."

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Aline passes through 3,7 and 6,9 what equation represents the line