I think its 3 - (0,10, 42)
if you put in the values of the given x, then these are the resulting y values.

Explanation:
The triangle is right angled.
The formula for area of the triangle:

base = 3
height = 4
substitute the values:
Answer:
62
Step-by-step explanation:
Plug in the value of a in the equation:
12(4) - 6 + 7(4) - 2(4)
Solve 12(4) - 6:
12(4) - 6 = 48 - 6 = 42
Solve 7(4) - 2(4):
7(4) - 2(4) = 28 - 8 = 20
Combine both answers (42+20):
42+20 = 62
Complete answer:
12(4) - 6 + 7(4) - 2(4) = 62
Answer:
35.25
Step-by-step explanation:
1/2 is written as a decimal as 0.50