The answer is C. 4/-6. Fraction laws say that it doesn't matter if the negative sign is in front of the numerator or denominator to make it negative. Answer choices A and B switch the numerator and denominator, making them different fractions, and answer choice D takes away the negative sign, making it worth a different value.
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Answer:
4/10 and 10/25 ok
3/5 and 9/25 not ok
4/11 and 6/13 not ok
4/9 and 9/4 not ok
Step-by-step explanation:
Answer:
x= 7
x=6
Step-by-step explanation:
5+2x=19
Subtract 5 from both sides
so...
2x=14
then divide by two to isolate the x
so..
x=7
4x+3=27
Subtract 3 from both sides
so...
4x=24
then divide by 4 to isolate the x
so....
x=6
Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah age = 2x + 4