Some one me with these questions answer any that you know are correct i cant risk any wrong answers 1. add. (−5x ^4 +6x^2−43)+(6x^4−x^2+12x+12) express the answer in standard form. enter your answer in the box 2. add (x^3-2x^2+4)+(2x^3 + x^2−2) express the answer in standard form. enter your answer in the box. 3.add (1+7x^3-x^2) + (x^3+2+2x^2) express the answer in standard form . enter your answer in the box

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: