Answer: 2sqrt(10)
Step-by-step explanation:
I'll do the top left one as an example, you can do the rest.
From the geometric mean theorem, we get that 5/x = x/8.
This rearranges to x^2 = 40
x = 40 = 2sqrt(10)
Answer:
52 miles per hour
Step-by-step explanation:
The speed of the car can be found by dividing the distance by the time. THe distance is 117 miles and the time is 2 1/4 hours or 2.25 hours.

Answer:
177 remainder 30
Step-by-step explanation:
Hope this helps! Pls give brainliest!
Answer:
3rd
Step-by-step explanation:
3rd one because rate of change is not same
18 - 15 / 0 - -1 = 3
20 - 18 / 1 = 2
21 - 20 / 1 = 1
Answer:
2,200 students
Step-by-step explanation:
To find the number of students, create a proportion which is two equal ratios. Since the middle school and the high school are proportional then they have equal ratios.

Solve for x by cross multiplying by multiplying the numerator and denominator of each fraction.
900(110) = 45(x)
99,000=45x
2,200 = x