Answer: Yes you can.
Step-by-step explanation:
Any common formative can boost up a grade my 0. anything. If you do extra credit, your grade will boost up to an 80 overall.
Cross multiply:
1 =20
X=900
900=20x
X=900÷20
PRESTO
Answer:
$209.75
Step-by-step explanation:
Say the answer is x. x+$251-$215=$245.75. Working backwards, the answer is $209.75
The formula is a permutation in which n represents the sample points in the set, while r represents the number of sample points in each permutation.