Answer:
Step-by-step explanation:
If you have the numbers 
and 
, the ratio of number to number is 
or 
.
If 
of the students who study a language studies French, then the rest of them, 
, doesn't study French. The ratio of the students who study French to the students who don't study French should be 
.
Answer:
39,000,000
Roundend to the nearest 1,000,000 or
the Millions Place.
38,802,500.0000000
Roundend to the nearest 0.0000001 or
the Ten Millionths Place.
Answer:
7x - 10 -y
the y has a + sign as it is on the left hand side of the equation rewriting the equation in standard form makes the y move to the right hand side and then has a negative sign so the equation is written as 7x - 10 - y
5:2:1
If the shortest piece, 1, is 120cm, just multiply it by 2, then 5
120 x 2 = 240cm (the 2 in 5:2:1)
120 x 5 = 600cm (the 5 in 5:2:1)
