Answer: simplified expression is 3x+5
Explanation:
3(x+3)-4
-Distribute (multiply) 3 through parentheses to get
3x+9-4
-subtract the 9 and 4 to get
3x+5
That’s your solution to a simplified equation!!
Addition property of equality
Answer: D.) 3
Step-by-step explanation:
Given: Mean diameter: 
Standard deviation: 
The required number of standard deviations is given by :-

Hence, a beach ball with a diameter of 31.9 cm is 3 standard deviations differ from the mean.
A 3-d figure can be created using nets.
Answer:
154cm squared
Step-by-step explanation: