Look for some patterns in the following triangle of numbers. The first row is 1 = 1. 1=1
3+5=8
7+ 9 + 11 = 27
13 + 15 + 17 + 19 = 64
Vhat is the 10th row of this triangle, and what is its sum? Enter left-hand side as a sum using
he + key.
1Oth row =

Danny draws a transversal, t, on two parallel lines ab and cd, as shown below: he makes the following table to prove that the alternate interior angles are equal: which is the missing justification? (6 points) corresponding angles formed by a transversal on parallel lines are supplementary. corresponding angles formed by a transversal on parallel lines are congruent. co-interior angles formed by a transversal on parallel lines are congruent. co-exterior angles formed by a transversal on parallel lines are congruent.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Match each function with its rate of growth or decay