You are trying to isolate the variable (n) so you would subtract 7.4 on both sides. Therefore n=5.3-7.4 which equals -2.1
Answer:
the answer is 19square units
Answer:

Step-by-step explanation:
Coordinate of B = 1
Coordinate of D = 6
Coordinate of A = -1
BD = |1 - 6| = 5 units
AD = |-1 - 6| = |-7| = 7 units

Plug in the values

Answer:

Step-by-step explanation:



Answer:
(4^2) - 4*(1^2) = 12 ft²
Step-by-step explanation: