X is 10 and many more answers
The best estimate would be 35%.
7 out of the 20-coin sample were from before 1980; 7/20 = 35%.
Answer:
36
Step-by-step explanation:
1. Cross Multiply.
2. Solve.
3. Your answer is 36
Answer: -5x - 2
Step-by-step explanation:
Combine like terms: (3x - 8x) + (3 - 5) → -5x - 2 :)