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which expressions are differences of squares?
select each correct answer.
a^2+1
x^2−169
h^2−20
t^2−4

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

Can someone me with my math problem pls my teacher is on my back about this

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85