Answer:
100
Step-by-step explanation:
10 + 45*2
10 + 90
100
Answer: Choice A
Set the radicand (stuff under the radical) greater than or equal to 0. Solve x+11 >= 0 for x to get x >= -11
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:
x=-1
Step-by-step explanation:
4x-16=-20
Get x to one side by subtracting it.
-16=-20-4x
Add the 20 on both sides.
-16+20=-4x
Simplify
4=-4x
4/-4=-4x/-4
-1=x
x=-1
Answer:

Step-by-step explanation: