Answer:
$50.70
Step-by-step explanation:
Answer:
A. -45
Step-by-step explanation:
multiplying a positive an a negative number gives out a negative result
so when we multiple 9 with -5 the result is -45
3
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Answer:

Area is greater than
sq ft.
Step-by-step explanation:
Length of rectangular sign board =
ft
Width of rectangular sign board =
ft
Area of a rectangle is given by the formula:

To find the area, we are going to multiply
with
.
is greater than 1.
Therefore the multiplication will be greater than
.
Hence, we can say that area will be greater than
sq ft.
Area of the sign:
