Find the value of x

4x - 13 = 3x + 7

Such that |x-a|and $x-b|can $a$ be countable? can $a$ be uncountable?

Factor f (x) = x^4 + x^3 - 8x^2 + 6x + 36 completely. Show your work. Then describe what a graph of this function might look like. Include where the graph would cross the x-axis and the y-axis.

Estimate 740,758-263043

Joe drew this bar model to find the unknown number of balls find the unknown number

Convert 4/6 to a percent.

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.