Answer:
Theoretical probability is a method to express that something will occur. It is calculated by dividing the number of favorable outcomes by the total number of outcomes.
So, the correct answers are :
A. not picking a square
D. picking a shape that has only straight edges
E. not picking a circle
Define x:
Let the sum be x
Construct the equation:
<span>The sum of 3 times a number and 5 is 2 times the number plus 15.
</span>→ 3x + 5 = 2x + 15
Solve x:
3x + 5 = 2x + 15 | Equation
x + 5 = 15 | Take away 2x from both sides
x = 10 | Take away 5 from both sides
Answer: The number is 10.
Answer:
Option A is correct.

Step-by-step explanation:
Simplify:
......[1]
Like terms are those terms who have same variable to the same power.
Combine like terms in [1] ,we have;
Simplify:

Therefore, the simplified form of
is, 
Answer:
6
Step-by-step explanation:
1/2 = 0.5
2/5 = 0.4
60 × 0.5 = 30
60 × 0.4 = 24
30 + 24 = 54
60 - 54 = <u>6</u>
The real answer is 458 I took the test