Answer:
21 C
22 B
23 169
Step-by-step explanation:
21 3m mean 3 times a certain number
22 the negative make the 4 go negative and the -5 positive
23 i did 5^2-4^2= 9
then 6^2 divided by 9+9= 13 i took the 9 from the 5^2 problem then divided it by 6^2
then 13 x 13 = 169
idk i am in 6th grade idk
Answer:
15 inches
Step-by-step explanation:
We have that,
Length of the photo = 4 inches and Width of the photo = 6 inches
Also, the width of the image on the calendar = 10 inches
Let, the length on the image of the calendar = x inches.
Since, the ratio of the photo and its image will remain same, we get,
i.e. 
i.e. x = 15
Hence, the length of the image of the photo on the calendar is 15 inches.
0.4763 is the answer I got
Answer:(a+b)^4
Step-by-step explanation:
You first see what they both have in common. In this case it is the the 4 squared. You then take that out and you see what is left. The thing that is left is a+b.
So you put the a+b inside the parentheses and the 4 squared outside.
so your answer will be (a+b)^4.
Hope this helped.
