Answer:
4 + x =5
Step-by-step explanation:
By adding a variable you can set up an addition sentence
Yes, 8 is a solution
r - 3 ≤ 9; r = 8
plug in 8 to r
(8) - 3 ≤ 9
5 ≤ 9 (true)
hope this helps
Answer:
Step-by-step explanation:
{x -4y = −21
{8y - x = 45
_________
[Plug this back into both equations above to get the x-coordinate of 3]; 
I am joyous to assist you anytime.
Answer:
C: 2^12 is the answer
Step-by-step explanation:
the expression is 16^3=4069 and 2^12=4069 so 2^12 is equivalent to 16^3
