Line that is parallel to y = - 3/2x-1

The side of a triangle with 3 equal sides is 7 inches shorter than the side of a square. The perimeter of the square is 39 inches more than the perimeter of the triangle. Find the length of a side of the square.

Why don't we measure spread about the mean by simply averaging x - x, the deviations of individual data values from their mean?

Solve for x. 4 (7x+6) = 13

Mila factored m2 + 12mn + 144n2 as shown. I know that since the first and third terms of the trinomial are perfect squares. This means that m2 + 12mn + 144n2 = (m + 12n) 2. Is Mila's strategy correct?

Simplify 10 • 4 • 4 • 50 800 2000 4000 8000

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.