-7-9, because he already starts below the surface by 7 feet then digs 9 inches lower
<h3>Answer:</h3>
3/4 mile
<h3>Explanation:</h3>
Area is the product of length and width. Put the given values into that formula and solve for width.
... A = L·W
... (1/2 mi²) = (2/3 mi)·W
... (1/2 mi²)/(2/3 mi) = W = (1/2)·(3/2) mi
... W = 3/4 mi
Answer:
B
Step-by-step explanation:
3x2+5x-8
=3x * 2+5x-8=11x-8
=3x * 2+5x-8
=6x+5x-8
=11x-8