What does a decimal an a thumbtack have in common

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers