20% of what number is 80?

I need the right answer, this is my last shot of passing.

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at a rate of 65 miles per hour. The westbound train travels at a rate of 85 miles per hour.

Brandon was changing the oil in his motorcycle. He had a jug that contrained 2.5 liters of motor oil. He poured 755 millititers into one motor and 255 millititers into the other motorcycle how many millititers are left in the oil jug

A triangle has side lengths of 11 centimeters, 11 centimeters, and 11 centimeters. Is this triangle scalene? Yes No

Evaluate the series 2 + 8 + 32 + 128 + 512 + 2048. A) 2728 B) 10,922 C) 2730 D) 682

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

The tour boats at the Laguna can carry 8 passengers. jacob watched 6 floats by. one of the board has 2 empty seats. the other were full. how many passengers were on the 6 boats?

George lives 4 5/10 miles from the gym this amount as a decimal.

Brad and Sally made a total of 31 cakes for the school bake sale. Sally made 7 fewer cakes than Brad. Enter the number of cakes Brad made

Two trains leave the station at the same time, one heading East and the other heading West. The westbound train is going 60mph. The eastbound train is going 80mph. How long will it take the two trains to be 252 miles apart?

Evan can text 96 words in 12 minutes. At this rate, how many words could he text in 14 minutes? Fill out the table of equivalent ratios until you have found the value of x.