At piedmont high school, 3 out of every 8 students are athletes. if there are 1280 students at the school, how many are athletes?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \

3a + 5b - 7 = 0 a - 2b - 4 = 0 solve the system by the elimination method. check your work {(96/11, -5/11)} {(34/11, -5/11)} {(32/33, 5/11)}