Answer:
cos(A) = adjacent side / hypotenuse
= 4/5
Answer:
1 and 3
Step-by-step explanation:
option 4 isn’t correct because you can’t combine 5 and 2x. You could if the 5 had an x too
the last one isn’t correct because you aren’t substituting anything
the second isn’t correct because you aren’t combining them all together. You are only combining the ones that are like-terms
Best to write these two figures in a column:
$5672
-$4523
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$ 1149 is the amount you have left.
