The number of t-shirts that four students own are will 4 mandy 7 greg 12 and cindy 9. are there three students who have of 20 t-shirts? if yes which students are they this is for brother and he needs it right now

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

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?