What value(s) of x will make x2 = 25 true?

The capulet and montague families love writing. last year, each capulet wrote 444 essays, each montague wrote 666 essays, and both families wrote 100100100 essays in total. this year, each capulet wrote 888 essays, each montague wrote 121212 essays, and both families wrote 200200200 essays in total. how many capulets and montagues are there? choose 1

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Which expression is equivalent to the expression shown?