The shape shown here is a pentagonal pyramid, because it has a pentagonal base and a pointy tip.
Answer:
5.25
Step-by-step explanation:
Step-by-step explanation:
-x² + 2x + 48
-x² - 6x + 8x + 48
-x( x + 6 ) + 8( x + 6)
( x + 6 ) ( -x + 8 )
Make variables for each
L = library books
P = telephone books
T = text books
so.... L+P = 2T
now we have to fill in numbers