Answer:

Step-by-step explanation:
Just Square the numbers like a normal equation.
4² = 16
9² = 81
This gives us 
or 0.198 as a decimal (approx)
Answer:
yes
Step-by-step explanation:
1+3=4
4+3=7
7+3=10
and 10+3=13
Answer:
she has a 4/10 chance she will pick purple bow
1/4 +1/4= 1/2
6g +6g= 12g
there is 12 grams of fat in 1/2 cup of cheese
150 = 2 * 3 * 5 * 5. So the code for the door is 2355 in some order.