Answer:
t=15/4 or 3.75
Step-by-step explanation:
t x 3/15 =3/4
t x 3/15 ÷3/15 = 3/4 ÷3/15 (Divide each side by 3/15)
t= 3/4 x 15/3
It's 104 1/4
The coefficient of y² will be 1, which we can see when we expand the expression:
(x + y)²
= (x +y)(x + y)
= x² + xy + xy + y²
= x² + 2xy + y²