Answer:
First one : -4x
Second one : - 6/3 or -2
Step-by-step explanation:
Subtraction on the first one. It brings it down to a negative number.
Second one, change the sign oft the second number then add.
Answer:
x = 22.5 cm
Step-by-step explanation:
In similar triangles, corresponding sides are in same ratio
Answer: 3642 square miles remain
Step-by-step explanation: hope this helps<3