杏吧论坛

I-20 showing course duration as 3 years

Hi guys, i have applied to ASU and my i-20 is showing course duration as 3 years, will it be problem for me and what sho

If (x^3+y^6) is positive, which of the following must be true? (GMAT Quants)

If (x^3+y^6) is positive, which of the following must be true? A) x is positive B) y is positive C) x^3

If ( X^a x Y^b x Z^c) equals the product of 154 and 56... (GRE Quant)

If ( X^a x Y^b x Z^c) equals the product of 154 and 56, z > y > x, and a > b > c, then what is the value of (a^X x b^Y x

Duolingo English Test

Are we allowed to use external mouse in the test? And is it compulsory to use passport for identification?