How to solve n²-10n+22=-2

Which of the following trinomials is equivalent to the square of the binomial x-3? (1) 2x+6 (3) x² - 6x-9 (2) x + 9 (4) x2 - 6x+9

The automaker of your new car recommends an oil change following the first 5,000 miles and then every 3,000 miles thereafter. If you plan to drive the car 250 miles a week, how many oil changes will you need the first year?

A company manufactures and sells novelty Mugs. the manufacturing cost consist of a fixed cost of R8000 and a variable cost of R15 rand per mug. the mugs are sold at R35 each. assume a linear profit function. determine the profit function

How much shingles needed for a 1200 square feet home?

Multiply and combine like terms. Then explain what you notice about the two different results. (i) (√3+√2) (√3+√2) (ii) (√3+√2) (√3-√2)

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.