Prove: The square of a number that is two more than a multiple of 3 is one more
than a multiple of 3.
=
(3n + 2)2 = [ ? ]n2 + [ ]n +
= [ ]n2 + [ ]n +
In + [ ] +1
= [][]n2 + []n + [])+1
= 1 more than a multiple of 3

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240