What’s the unit rate for 400 in 8 hours? Please help.

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

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

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5