Step-by-step explanation:
17) 3x+5-12+4x+2x
3x+4x+2x +5-12
8x-7
if x =6
8*6-7 =48-7
= 41
18.) 9(3x-4y+8)
27x-36y+72
Answer:
Step-by-step explanation:
Pythagorean Theorem : In a right triangle, square of hypotenuse is equal to the sum of the squares of the other sides.
Hence these sides represent a right triangle.
Hence this does not represent a right triangle.
This represents a right triangle.
The sampling that Joan is using is known as cluster sampling.
<h3>What is sampling?</h3>
It should be noted that sampling simply neans when a sample of a population is taken in order to illustrate the characteristics of the entire population.
In this case, the sampling that Joan is using is known as cluster sampling. This was depicted as she randomly select 10 flights from all available data in the past year.
Learn more about sampling on:
brainly.com/question/17831271
#SPJ1
Answer:
slope = 0 because of 3, 3, 3, 3
y-intercept = 0 because of 3, 3, 3, 3
the slope intercept form is y = 0x + 0
