Add 3x⁵-9x³+4x-7 to -4x⁴+5x³-8x-3. This is a closed operation in the set of polynomials because the (exponents, variables, coefficients) are (whole numbers, integers, real numbers)​

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.