Ifs there's a problem like 5x the the second power when x is 2, would i take 5 times 2 then do that to the second power or would i do x to the second then times that by 5

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.