Answer:
60
Step-by-step explanation:
The rationals being closed under subtraction means that if we start with two rational numbers and subtract them, we get another rational number. Choice c subtracts two rational numbers but gets the wrong answer, so isn't support for anything. Choice b is rational too because the square root of 4 is 2.
Answer: b
Answer:
O There are 28 chickens for every 1 chicken coop.
Step-by-step explanation:
Answer:
3/4
Step-by-step explanation:
We need two points to find the slope
( 20,20) and (60,50)
m = (y2-y1)/(x2-x1)
= (50-20)/(60-20)
= 30/40
= 3/4
Answer:
we divide 192 by the volume 19.5
192÷19.5=9.85 so the necklace is made of bronze
