Answer: B, D
Step-by-step explanation:
You Can just count the blocks
B: has 24 and D has 24 which both of them are between 30 and 20
It would be B because eaxh section either repeats itself or is close to repeating its previous part
Answer:

Step-by-step explanation:

Step 1. Find the slope (by using the slope-formula)
m = slope





Step 2. Write the equation (using the slope and the points)
Here's how to do it:
Slope-intercept Formula
whrere m = slope and b = y-intercept
Plug in the slope into the Slope-intercept Formula

Find the y-intercept (b) by using a point and substituting their x and y values

Point: (3, 7)




Step 3. Write the equation in Slope-intercept form


From the given data it is clear that the amplitude of the wave will be 9 inches.
It is also clear that the speed of rotation, ω, will be: 
Now, it is given that the nozzle is on the right side of the tire and that position is going to be treated as the equilibrium position, the tire is then rotated such that the nozzle goes up at the beginning of the rotation. This condition is possible only when we have a Sine (Sin) function.
Thus, our final answer can be arrived as:


Thus, out of the given options, option B is the correct answer.
Answer: A popcorn costs $9
Step-by-step explanation:
Let popcorn be represented by p
Let drinks be represented by d.
Samuel spends a total of $36.75 on 1 bag of popcorn and 3 drinks. This will be: p + 3d = 36.75
Sebastian spends a totally of $138.00 on 3 bags of popcorn and 12 drinks. This will be: 3p + 12d= 138
p + 3d = 36.75 ........... i
3p + 12d = 138 ............ ii
Multiply equation i by 3
Multiply equation ii by 1
3p + 9d = 110.25 ....... iii
3p + 12d = 138 ............ iv
Subtract equation iv from iii
-3d = -27.75
3d = 27.75
Divide both side by 3
d = 9.25
A drink cost $9.25
From equation i
p + 3d = 36.75
P + 3(9.25) = 36.75
P + 27.75 = 36.75
P= 36.75 - 27.75
P= $9
A popcorn cost $9