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21,000 + 0.07(21,000) = 21,000 + 1,470 = 22,470
Answer:
The answer is: 
Step-by-step explanation:
angles 1 and 5 are equal to each other since 
so 
Answer:
C
Step-by-step explanation:
When we write an equation, we look for something like is or equals
A.twice as much as a number 2x
B.12 less than a number x-12
C.half of a number is 15 1/2x =15
D.the difference of 20 and a number? 20-x
A,B, and D are expressions