Answer:
169
Step-by-step explanation:
Square root means what number times its self is a different number. In this case, 13 times 13 = 169 so 13 times itself is 169.
800 divided by 19
is 42 with remainder 2
= 42 R 2
= 42 2/19
GCF stands for "greatest common factor". This means what is the largest quantity you can divide into 6x and 20xyz without a remainder. First see what is the biggest number you can divide 6 by and also 20 without having a remainder. Next, you should see which variables 6x and 20xyz have in common. variables are the (x,y, and z). Put these two values togther and this will be your GCF.
Answer:
D is the answer
Step-by-step explanation:
39 is 3 times greater than 13 and 27 is 3 times greater than 9