Petra is 13 and her mother is 32. I used this equation:

if you solve for p, you get 13. 13 times 2 plus 6 equals 32. So her mother is 32.
Answer:
a is greater than or equal to 140
Step-by-step explanation:
Multiply both sides by 7, which cancels out the 7 and turns 20 into 140
Answer:
Answer: x=65
Step-by-step explanation:
Since they're vertical angles both sides are equal to 145 degrees
So, 145-15= 130 to get rid of the constant
Then, 130/2=65
To check you work add up all of your solutions to get 145
2*65=130 & 130+15=145
Therefore, x=65
Answer:
$10
Step-by-step explanation:
0.05x=0.50
x=10
Answer:
12, 4, 24, 30, and 14 are the answers