Classify 3x^5+5x^4-7x^3+15 by number of terms?

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.