3^5 is the same as 3*3*3*3*3. which is 243
Answer:
Solution: (-4, 2), x= -4 and y =2
Step-by-step explanation:
-8x - y = 30
-2y = x
Substitute for x
-8*(-2y) - y = 30
16y - y = 30
15y = 30
y = 30/15 = 2
Then x = -2y = -2*(2) = -4
Solution: (-4, 2), x= -4 and y =2
Answer:
im so sorry i dont know what this is about i suck at math but best of luck to you
Step-by-step explanation:
i uploaded a vid on this here
https://www.you tube.com/watch?v=dQw4w9WgXcQ
It really depends on what kind of problem. like if you are doing a word problem or whatever than you should read the question a couple times, underline key words, DECIDE which operation to use, refer to the question and see if it makes sense. Hope I helped :)
