sandra calculated the missing side length of one of these triangles using the pythagorean theorem. which triangle is it?
a
b
c
d

How can you construct perpendicular lines and prove theorems about perpendicular lines

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?