Answer:
Think about what number you got multiply 7 to get 28. Once you do, multiply the other numbers by that digit
Step-by-step explanation:
Answer:
-2x+5y should be the answer
hope that helps
Answer:
231
Step-by-step explanation:
subtract 700 by 469
Use the geometric mean for right triangles here. Like this

. Cross multiply to get

, and

. That simplifies down to

. Pull out the 9 as a perfect square of 3 and you're left with

, first choice above.