Answer:
x = 23
Step-by-step explanation:
6x+19+x = 180
7x = 180 - 19
7x = 161
x = 161/7
x = 23
Answer:
100° it has to be a
length of 20 or like my 100 worlds longest
Answer:ggg
Step-by-step explanation:ggggg
Multiply every number from the small octagon by 7 then add the products to get 238.
Let's begin by listing out the information given to us:
There are four students: n = 4
Number of students to be selected: r = 2
To calculate the combination of 2 students to be chosen, we use:

Therefore, there 12 possible combinations from these