Answer:
A.) 2(1/2×20×50)+2(1/2×20×10)
Answer:
He collected 180 other stamps
Step-by-step explanation:
Sorry if it's wrong
2n + 2n = 2n squared and 17 + 21 = would be 38
so answer is : 38 + 2n squared
Answer:
Step-by-step explanation:
6x - 9y = 12
subtract 6x from both sides
-9y = 12 - 6x
divide both sides by -9
y = -4/3 + 2/3x
or
y = 2/3x - 4/3