Solve using the percent proportion. 20% of 80
25% of 75
90% of 180
75% of 90
120% of 1500
45% of 90
50% of 120
35% of 78
40% of 90
25% of 150
plz help. I will give brainliest for first answer

Let w=23 . what is the value of w + 45 ?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?