Answer:
$624
Step-by-step explanation:
650 * .80 = 520
520 * 1.20 = 624
2x - 3y = 0
2x = 3y
2x/y = 3y/y
2x/y = 3
x/y=3/2
Answer is a. 3/2.
38
3. y=112 this takes a lot of process of elimination so ill save you the paragraphs of numbers
second row - k³⁰/k¹⁴ - k¹⁶
third row - 12 ⁴⁵⁻²³ - 12²²
hope this helps