Answer:
42*3=126
28*5=140
the GCD of 126=2*3*3*7
the GCD of 140=2*2*5*7
2*7
GCD=14
Step-by-step explanation:
Answer:
for an equal income to everyone you can do 250 to each person adding up to 750 then 250 to save
Step-by-step explanation:
Answer:
a, -b
Step-by-step explanation:
When x is a, the function becomes

as you see, a-a is 0, and as your whole function is multiplied by this, it makes it 0.

As you see -b+b is 0, and once again, this would make the whole function 0.
The answer is the last one
If .5cm is 2km, then 1 cm is 4 km, and therefore 120/4 is 30, so 30 centimeters on the map