In a scout camp each girl is familiar with exactly 10 boys and each boy is familiar with exactly 10 girls. If the familiarity relation is symmetric, prove that the number of girls and the number of boys in the scout camp are equal.

Can you me find the missing length. i attached an image.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12