Is the given polynomial in standard form? select yes or no for each polynomial. a. −10r3 + 3r − 18 yes no b. −35t3 − 13t + t2 yes no c. 12x4 − 12x2 − 5 yes no

What mathematical statement is missing ? ? the answer is b

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.