Answer:
y - 2x = 2
Step-by-step explanation:
2y - 4x = 4
2(y - 2x) = 4 | : 2
y - 2x = 2
Answer:
37
Step-by-step explanation:
Highest - lowest = range
64-27= 37
18:20
Multiply each side by 2
Answer:

Step-by-step explanation:
To find the area of a triangle, we can use the formula of:

This formula comes from the area of a rectangle, because a triangle is half a rectangle.