There are 9 blue marbles.
Step-by-step explanation:
12÷4=3
3×3=9
8p-7 is the eqation your using, -7 is spaces back (this is your numer for each of 8 turns) 8 times 7 eqalls 56 make this a negative, -56 spaces
Y's minus y's and x's minus x's.
9-5= 4
8-2= 6
These are the dimensions for your rectangle. Multiply them together.
4*6= 24
Your area is 24ft^2
The sum of the interior angles in the polygon whose side is 10 is 
<h3>What is sum of interior angle of polygon ?</h3>
The sum of the interior angles in a regular polygon is given by the formula 180(n – 2), where n is the number of sides in the polygon.
As, The formula for calculating the sum of interior angles is ( n − 2 ) ×
S0, n=10
Then, sum of interior angle be = (n-2) x 180
= (10-2) x 180
= 8 x 180

Thus, the sum of the interior angles in the polygon is 
Learn more sum of interior angle of polygon here:
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3 is 0.4% of 750. Honestly when you type the numbers into google it tells you sooo