Which expression is equivalent to 3x(x2-2)?

What is the probability that the equipment that the equipment lasts at least 100 hours

Given: -3x - (x-1) + 3/2(3x+3)

Step One: Distribute the negative into the (x-1), changing the sign of each term.

-3x - x + 1 + 3/2(3x+3)

Step Two: Distribute the 3/2 into the (3x+3). Remember to multiply both terms by 3/2

-3x - x + 1 + 9x/2+ 9/2

Step Three: To make the numbers easier to deal with, convert the fractions to decimals (9/2 = 4.5)

-3x - x + 1 + 4.5x + 4.5

Step Four: Combine Like Terms (YOU CAN DO THIS BIT BY BIT THROUGHOUT PREVIOUS STEPS).

0.5x + 5.5

Step Five: Now that you have found your equation, convert back to fractions and you'll have the answer.

1/2x + 11/2

there u go if u have any questions let me know have a nice day and thanks

"it's not the heat, it's the humidity".   that's a partly valid phrase you may have heard in the summer, but it's actually both.   the heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature.   this has important considerations for the human body's comfort.   when the body gets too hot, it begins to perspire or sweat to cool itself off.   if the perspiration is not able to evaporate, the body cannot regulate its temperature.   evaporation is a cooling process.   when perspiration is evaporated off the body, it effectively reduces the body's temperature.   when the atmospheric moisture content (i.e. relative humidity) is high, the rate of perspiration from the body decreases.   in other words, the human body feels warmer in humid conditions.   the opposite is true when the relative humidity decreases because the rate of perspiration increases.   the body actually feels cooler in arid conditions.   there is direct relationship between the air temperature and relative humidity and the heat index, meaning as the air temperature and relative humidity increase (decrease), the heat index increases (decreases).

step-by-step explanation: