Given the sets m = {3, 4, 5, 6, 7} and n = {4, 6, 8, 10, 12}, the set m∩n is identified by which notation below? {2, 3, 4, 5, 6, 8, 10, 12} {2, 4, 4, 5, 6, 6, 7, 8, 10} ø {4, 6}

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.