Factories: 16x^3−4x^2−4x−1
pq (r^2+1)−r(p^2+q^2)

Please solve it!!!
I will be to much thankful to you !!

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see