The product of any number and 0 is zero. The expression is 1*0-0/y. 1*0 is obviously 0. 0/y is the same thing as 0 * 1/y, which is also zero. 0-0 is 0, so the answer is 0.
Step-by-step explanation:
the base is 5unit and the height is 9unit
Answer:
y+9=21
Step-by-step explanation:
9 more than y equals 21.
