Which of the following is not true? a.) 4 times 1/2=4/1 times 1/2 b.) 1/2 divied 4=1/2 time 1/4 c.) 4 divied 1/2=4 times 2 d.) 1/2 divied =1/2 times 4/1

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.