The sum of 4 and a number is at least 15

What is the missing constant term in the perfect square that starts with x^2 -20x

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

One positive number is 9 more than twice another. if their product is 95, find the numbers