Which expressions are equivalent to 7b(3+c) ? Select each correct answer.

−4b+7c

14bc

7b+14bc

21b+7bc

(7b⋅3)+(7b⋅c)

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico