Which property best justifies why the two expressions below are equivalent?

3 (m + 5) = 3m + 15

The sum of two numbers is 170 and their difference is 26. Find the two numbers. Write the solution as an ordered pair

How many birthdays will you have celebrated when you are one million minutes old

Expand the expression 7 (9x-2)

Identify the equation of the circle D with center D (-8,-1) and radius 3.

Is 19lb greater than 298oz

Twenty five students are in class. each student will have one fourth of sandwich for a snack. each sandwich is made with two slices of bread.

F (x) = 2x-6 and g (x) = 3x+9, find (f+g) (x) A (f + g) (x) = - x - 15 B (f + g) (x) = 5x + 3 C (f+g) (x) = 5x+15 D (f+g) (x) = x+15

Resuelve las siguientes ecuaciones tales que 0° ≤ x ≤ 360° sen x=sen (π/2-x) cos x + 2 sen x = 2 csc x = sec x 2 cos x * tan x - 1 = 0 4 cos2 x = 3 - 4 cos x

The price of a television was reduced from $280.00 to $256.20. What was the percent of decrease in the price?

Yesterday, Patrick had 9 comic books in his collection. This morning, he bought 3 more comic books. Now Raven has twice the number of comic books that Patrick has. How many comic books does Patrick have now? How many comic books does Raven have now?