What is a hexohedron?

What is the result of adding -3x2-5x 1 and 8x2-2x-9? What is 53-21169 plus 8417 plus 95-7625 plus 47 plus 42-90? What is 2.52 trillion in scientific notation? K 2 plus 5k-6 0 using quadratic formula? How much is 250 kuwaiti dinars? Using a factor tree to write 252 as a product of prime numbers? How would you write three and nine hundred one thousandths as a decimal? 2 x 2 x 2 x 3 x 3 x 7 in exponential form? What number is 140 more than 361? What is the graph if the slope is negative? How do you triangle into four equal parts? How do you divide 5 by 6? Problem 4 7 10 10 equals 24 you can only add subtract multiply and divide? Irrational numbers are said to be never odd or even? Why is three to the power of 6 not a prime number? Which term best describes the angle to the right a obtuse b right c straight d acute? P(the sum of the numbers is 7)? What is 605 in roman numerals? what is 4(2h+5) expanded? Is it possible for the standard deviation to be less than the sample mean?