The histogram shows the scores of students on their most recent history test. how many students scored 80% or better on the test?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio