Which expression is a difference of squares with a factor of 2x + 5?

4x2 + 10
4x2 – 10
4x2 + 25
4x2 – 25

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

The graph shows how many words per minute two students read. drag to the table the unit rate that matches each graph.