How do you know that calculating 80% of the regular price gives you the same result as subtracting 20% from the regular price

With probability 0.6, a present was hidden by mom; and with probability 0.4, it was hidden bydad. When mom hides the present, she hides it upstairs 70 percent of the time and downstairs 30 percent of the time.

Step 1: 5x - 2x - 3 = - 2 + 17 Step 2: 5x - 2x - 3 = 15 Step 3: 3x - 3 = 15 Which of these is most likely the next step?

The slope of the line whose equation is 2x + 5y + 1 = 0 is 0-275 0-1/5 O 5/2

During the soccer season rick scored on 40% of the shots he took. if scored 12 goals, how many shots did he take

Mrs. vest bought four concert tickets for $252. what was the price for one ticket?

How would a virus impact the economy of medical products such as hand sanitizer?

Is this a solution? What makes this a solution is if both equations equal the same answer. 3x+y=11 and x-2y=6 Solution: (4,-1) Is it a solution?

On a very cold morning, it was - 8°F. As the day went on, the temperature rose 2 degrees each hour. Which equation shows the temperature over time? A. y = - 2x + 8 B. y = - 2x - 8 C. y = 2x + 8 D. y = 2x - 8

Write the number 0.72 as a fraction or mixed number.

1. Write a numerical expression for the phrase "twelve groups of the sum of fourteen and 10." 2. Write an algebraic expression for the phrase "five groups of a number added to seventeen."