Agroup of friends are hiking on trail y when they reach an intersection with trail x. trail x is perpendicular to trail y. if trail y has a slope of -2 which of the following statements are true

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

This is about circle theorems. someone asap : (

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c. q-p d. p-q