The mode is a term that is repeated the most.
And the one which is the repeated is 30.
Answer:
x2+x-4=0
Step-by-step explanation:
Amy would have spent $22.5 on her books (assuming you meant $10 total, not $10 per book)
Answer:
B
Step-by-step explanation:
both sides are equal to begin with so any x that you put in, will get multiplied by 7 and have 3 added to it
We can use the Front Outside Inside Last (FOIL) method to expand the double bracket
Front ⇒
Outside ⇒
Inside ⇒
Last ⇒
Put the four terms together we have
, then collect like terms