Answer:
X=2y-3
Step-by-step explanation:
Let Rebecca's age be x
Let Anthony's age be y
Twice Anthony =2y
Rebecca's age (x) to be 3 years younger than twice Anthony's =2y-3
So, it's x=2y-3
Answer:
(-1)^2 = +1
Step-by-step explanation:
(-1)(-1) is equivalent to (-1)^2, and vice versa. Recall that when two negative numbers are mult. together, the product is positive. Thus, (-1)^2 = +1.
