Here are some statements about triangles. For each statement decide whether it is true or false.
a)
Some triangles have three right angles.
b)
Some triangles have no acute angles.
c)
Some triangles have one obtuse angle and two acute angles.

Select the correct answer from each drop down menu

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,