What number is needed to complete the square?

x^2+6x+?

a. 36
b. 3
c. 9
d. 6

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220

Mr. thompson took five of his children to the bowling alley the cost for children 12 and older is 350 the cost of four children under 12 inch to 25 he spent a total of 1625 how many of his children are 12 and order