Answer: (B) 18 - 3.5n
<u>Step-by-step explanation:</u>
Given the sequence {14.5, 11, 7.5, 4, 0.5} we can see that the first term (a₁) is 14.5 and the difference (d) is -3.5

Answer:
1 teaspoon
Step-by-step explanation:
First, divide 84 by 21 to find how many batches will be made:
84/21
= 4
To find how many teaspoons of salt will be used, multiply 4 by 1/4, since each batch needs 1/4 teaspoon:
4(1/4)
= 1
So, Alicia will use 1 teaspoon of salt
Answer:
The first one
Step-by-step explanation:
Make 3x+6 into 3(x+2)
Separate x²+5x+6 into (x+2)(x+3)
Cross out both x+3
6x÷3
Put x+2 together to make (x+2)²

Answer:
This is a linear equation, there's nothing to simplify.
The slope in this equation is 1.25
The y-intercept of this equation is 10
Answer: Width is 3 cm
Explanation: since the formula for area of a rectangle is length*width= area, plug the numbers in. 12*x=36. So, what times twelve equals 36? 3! You can also view it like this, 36/12, which would also get you three.