let a, b,c, d be non zero intigers show the following are rational numbers a/b+c/d, a/b-c/d, a/b*c/d, a/b\c/d and what do you conclude from the results.

The trigonometric ratios sine and secant are reciprocals of each other

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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? \