Whats the best way to solve x2 - 4x = 8

Which expression is equivalent to y•y•y•z•z•z•z?

Matthew is four years younger than his brother Kevin, when Matthew was 7, how old was his brother

A worm is at the bottom of a 10 foot hole he starts climbing out of the whole climbing 3 feet in one hour then he takes a break for one hour and slides backwards one foot but he repeats this pattern climbing at a constant rate of 3 ft.

The more surface area an ice cube has, the more quickly it melts to cool a beverage. mark states that the ideal ice cube would be a prism that is a perfect cube of dimensions 2 by 2 by 2.

5 (x-3.8) = 22 find the value of x

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.