Use the figure for exercises 1-4 identify all pairs of each type of angle

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.