Prime factors of 42: 2x7x3
prime factors of 126: 2x3x3x7
prime factors of 210: 7x3x5x2
now we multiply all the factors that they all have in common: 2x3x7 which is 42. So the highest common factor is 42
Answer:
6 cups of sugar
Step-by-step explanation:
4 x 3 = 12
Therefore, If we have 12 cups of flour, since we have to divide it by 2, we get 6 cups.
3y+5=7x
3y=7x-5
y=(7x-5)/3
...
21y-49x becomes
7(7x-5)-49x
49x-35-49x
-35
Answer
Find out the how many traffic lights are there on elm street .
To prove
As given
Elm street is 3.6 kilometers Long .
There are sets of 4 traffic lights every 0.6 kilómeter.
i.e

Now
Traffic light in 3.6 kilometers = Traffic light in one kilometer × 3.6

Traffic light in 3.6 kilometers = 24
Therefore Traffic light in 3.6 kilometers are 24 .
Answer:
x is greater than or equal to -1
hope this helps! :)