Answer:
$839.95
Step-by-step explanation:
Sales tax = 7 % × cost
Sales tax = 0.07 × 785
Sales tax = $54.95
=====
Cost = price + sales tax
Cost = 785 + 54.95
Cost = $839.95
The cost to purchase is $839.95.
Pretty sure when you multiply something by 0 it is 0 <span />
Answer: 
Step-by-step explanation:
By the exterior angle theorem,
