Which mathematical property is demonstrated?

(25 + 84) + 16 = 25 + (84 + 16)

Use the discriminant to describe the roots of each equation. Then select the best description. x^2 + 9x + 14 = 0 a) double root b) real and rational roots c) real and irrational roots d) non-real roots

A rectangular solid has a base with length 2cm and width 8 cm if the volume of the solid is 160cm^3 find the ht

Can you model 1,200 using only longs? Explain

Consider the relationship between monthly electricity bill for a household during the summer and average high ambient temperature during the summer months. Determine whether the following statement is true.

Find the coordinates of the vertices of the figure after the given transformation. translation: (x, y) → (x + 1, y - 1) A) N' (0, - 2), F' (4, 2), Q' (4, - 2) B) N' (-1, 1), F' (3, - 3), Q' (3, 1) C) N' (0, - 1), F' (4, 3), Q' (4, - 1) D) N' (0, -

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.