How to determine something is perfect square without square root?

Water fills a community pool steadily all day, at a constant rate of 2.3 feet of water each hour. After 4 hours of attempting to fill the pool, the lifeguard turns the water off.

Let h (x) = - 2x - 5. If h (x) = - 25, find x

If a pyramid has a side length of 230 meters and a height of 146 and I'd the model has a side length of 0.575 meters and a height of 0.365 what is the scale factor of model

40% of 65 = and what is 90%of90=

A worker earns $306.25 for 35 hours of work. About how much will the worker earn for working 72 hours?

A prism has a volume of 56. If the dimensions of the prism are tripled, what is the volume of the new prism? O A. 1512 O B. 504 O C. 168 O D. 2.07

Peter tracks the goals he scores in 9 soccer games. In two games Peter scored 2 goals each, in one game he scored 0 goals, in two games he scored 3 goals each, and in four games he scored 1 goal in each.

A model that describes the population of a fishery in which harvesting takes place at a constant rate is given by dP dt = kP - h, where k and h are positive constants. (a) Solve the DE subject to P (0) = P0.

X+y=9 xy=7 (simultaneous equations) solve

Is 28/49=4/7 a ratio proportion