Sophie want to buy a skateboard that has a price tag of $125.00. What was the wholesale cost of the skateboard? 2) If the skateboard is discounted by 20%, how much will Sophie pay (before tax)?

Here's link to the

tinyurl.com/wpazsebu

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

probability for j is 1/4

while

a is 1/6