Answer: 15
Step-by-step explanation:Do 27-12 and you get 15
Answer:
Uncertain if the second term is 30 and not 3o. IF 30, then the coefficients are
-1, 30 and 6.
Step-by-step explanation:
Coefficients are numbers ahead of the variables (<em>letters</em>).
The number 4 is called a constant. A constant is not a coefficient.
The coefficient (number ahead of the letters) of -xyz is -1.
Hope this helps.
Answer:
420
Step-by-step explanation:
The number of students in the school is unknown, so we'll call it x.
55% of the number of students are girls.
There are 321 girls.
55% of x = 231
0.55x = 231
x = 231/0.55
x = 420
Answer: 420
Answer:
4/7
Step-by-step explanation:
They can be simplified by 3 12 divided by 3 is 4 and 21 divided by 3 is 7 so it's 4/7.