Answer:
x=2
Step-by-step explanation:
10x2=20
20+1=21
b = 3
Step-by-step explanation:
Add similar terms :
Collect like terms and simplify
Answer:
x = 15
Step-by-step explanation:
Interior angles and their exterior angles make a supplementary angle meaning they have a sum of 180°. Knowing this, we can make an equation to solve for x.
x + 165 = 180
x = 15
The answer is 2(3)(5^2) 150 is not a prime number
Answer:
146
Step-by-step explanation:
next number is the last -666