Select all the equations where x=3 is a solution

Which system of equations can be used to find the roots of the equation 4x^5-12x^4+6x=5x^3-2x?

When the median of a data set 110 and the mean is 127, what does it mean?

2x+12≥6 whats the solution? a. x≥-3 b. x≤ 3 c. x≤ - 3 d. x≥3

A restaurant has two appetizer specials. Tomato bread costs $5.50, and stuffed mushrooms cost $6.75. The total amount in sales from the two appetizers on a Friday night was $186.75.

3 (3x-4) - 7=8 Solve for x and explain

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.