1 - C) 80 beats / min
2 - 1269/3 = 423 mph [ Option D ]
3 - Bag A
4 - 40 * 8 = 320 [ Option C ]
5 - 28 * 15 = 420 [ Option D ]
Hope this helps!
B. the x and y values were not identified correctly
I hope this helped plz award brainiest
Answer:

Step-by-step explanation:
We are given the following in the question:
Height of triangle,h = 4 inches
Area of triangle =

where b is the base of the triangle and h is the height of the triangle.
The area of the triangular sign must be less than 18 square inches.
Thus, we can write the inequality:

The above inequality is the required inequality that describes the possible base length of the triangular sign.
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