Answer:
13.3 ft^2
Step-by-step explanation:
area = base x h / 2
A = 7 x 3.8 / 2
A = 26.6 / 2
A = 13.3 ft^2
it's area is 1/2 b×h
1/2×7×3.8
13.3
9x - 4 + 5x + 16 = 180
14x + 12 = 180
14x = 168
x = 12
in this set will be real numbers that are both less than 
and greater than 
. But that's not possible, so this set is empty.
