Answer: fossils
Step-by-step explanation: he compared the fossils on each continent and realized that they all have similar aspects.
The answer (usually called the 'solution') is the one and only number that 'n' can be if that equation is a true statement. Here's a suggestion of a procedure you can use to find it:
<u>1.8 + 7n = 9.5 - 4n</u>
Add 4n to each side: 1.8 + 11n = 9.5
Subtract 1.8 from each side: 11n = 7.7
Divide each side by 11 : <em> n = 0.7</em>
It can be turned into a mixed number: 
hope that helps :) ✨
Answer: option D
Step-by-step explanation:
To get equivalent expression we need to remove the parenthesis
multiply negative sign inside the parenthesis
when we multiply negative and negative it becomes positive.
So the expression becomes
So, option D is the equivalent expression
Answer:
Step-by-step explanation:
Let required amount be x
<u>Using the ratio to find x:</u>
- 1 1/2 ÷ x = 1/3 ÷ 1
- x = 1 1/2 × 3
- x = 3/2×3
- x = 9/2
- x = 4 1/2 cups
