Basically the question is asking YOU when you hear “system of equations” what do you think about it - what do you already know about system of equations. Basically. Btw enjoy this picture.
Answer:
a line segment ✓....,.........
Answer:
21
Step-by-step explanation:
Given
b - 4a ← substitute a = 6 and b = 45 into the expression
45 - 4(6) = 45 - 24 = 21
Unit price is total price/ quantity purchased.
21.16 / 4 = 5.29
Unit price = $5.29 per pair