Answer:
1920
Step-by-step explanation:
Nina can type 128 words is 4 minutes. At this rate, how many words can Nina type in an hour?
60 divided by 4 is 15
15x128= 1920
7.2 is the answer i hope this helps!
Answer:
2 2/3=(6+2)/3=8/3
22 5/8=(176+5)/8=181/8
the expression will be 181/8 : 8/3=181/8*3/8=181*3/8*8= 543/64
Step-by-step explanation:
Answer:
OH MY GOD I NEEED HELP WITH QUESTION TOOOOOOO
Since 16 and 25 are perfect squares you can factor the first part.
4^2-5^2(b+3)^2
=(4-5(b+3))(4+5(b+3))
=(4-5b-15)(4+5b+15)
=(-11-5b)(19+5b)
Which can be expanded if necessary,
= -209+150b-25b^2