Identify each pair of congruent vertical angles. Please help :) I’ll give out brainliest to the first person who answers!

What can you determine about the solutions of this system

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

How do i multiply two digit numbers