Which of the following inequalities represents the statement, "A number, x, decreased by 13 is less than or equal to 39"?

While sitting at the airport waiting for a flight, I noticed a sign that flashed the same message every 8 seconds. If that message flashed day and night for a week, how many times did that message appear on the sign? You must show me the math.

Put the followings numbers in order from least to greatest. 3.10, 3.9, 3.5 and 3.75

Solve for x: x + 5 = - 3x + 25

Which of the following could be a function with zeros of - 3 and 2 a - f (x) = (x-3) (x+2) b - f (x) = (x-3) (x-2) c - f (x) = (x+3) (x-2) d - f (x) = (x+3) (x+2)

If 2 minus 3x = - x minus 8 what is x?

If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place?

What is another way to express 64? A) 3 ^4 B) 6 ^4 C) 6.4 x 10^2 D) 8^2

Which values, when placed in the box, would result in a system of equations with no solution? Check all that apply. y = - 2x + 4 6x + 3y = A: - 12 B: - 4 C: 0 D: 4 E: 12

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.

You are planning a huge graduation party for your son. You decide to offer both a beef and a chicken meal at the party. The chicken dish costs $5, and the beef dish costs $7.