What is another way that marita could figure out the
decimal form of without dividing?
she could

Make a fraction with the decimal number as the numerator (top number) and a 1 as the denominator (bottom number). Step 2: Remove the decimal places by multiplication. First, count how many places are to the right of the decimal. Next, given that you have x decimal places, multiply numerator and denominator by  u10 x.        make the question a little more clear but I think it might be that  

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.