Answer:
r = 1
Step-by-step explanation:
Direct variation describes a relation ship in which two variables are directly proportion and is represented as,
y = rx or

From the table,

0.4 grams or 0.40 grams however you like writing decimals, but either way they are both the same.
The soulation is given by s=3 because it makes the value of 3s+12 equal to 21
Answer:
Step-by-step explanation:
<u>Factorize each number:</u>
<u>The greatest common factor is:</u>
Answer:
4
Step-by-step explanation:
25- 9.5 is 15.5 and 4 ×3.75 is 15 you would have still have .5 cents