Answer:
-5 and +5
Step-by-step explanation:
add twelve to both sides
New equations: 2x= -+10
Divide by 2 on both sides
x=-5, +5
32, that’s just 2 to the fifth power so 2*2*2*2*2
Answer:
6:21
Step-by-step explanation:
because there is 6 roses and 21 other types 6/21 = 6:21
The number of different ways that three speakers can be selected is 10 ways
Given the names of choice to be Ben, Will, Stewart, Hilary, and Kate. This means that we have a total of 5 name choices.
If the members of students activities are to select three speakers among these people, the number of ways this can be done is by using the combination rule as shown;

From the question, n = 5 and r = 3. On substituting

Hence the number of different ways that three speakers can be selected is 10 ways.
Learn more here: brainly.com/question/24145745
400 should be the answer. Hope this helps!