15. Unemployment is closely watched by the government due to the fact that the amount of people in the U.S that are bringing in revenue, effects the economy.
Answer:
The male frog would join the female frog in the water poodle
Explanation:
Mathematically,
Let x = temperature the 10000 joules from sun Ray would raise the temperature of the copper
So therefore:
10000 = m * (x - 33°) * Spc
Where m = mass of copper = 400g
Spc = specific heat capacity of copper = 0.387j/g/°c
So
400 * ( x - 33) * 0.387 = 10000
( x - 33 ) = 10000/ (400 * 0 387)
x = 97.6 °c
Temp for water where m = mass of water = 100g
x¹ = temperature the sun Ray of 10000 joules would raise the temp of water too.
Spw = specific heat capacity of water = 4.184j/g/°c
So therefore;
100 * ( x¹ - 33 ) * 4.184 = 10000joules
x¹ - 33 = 10000/ (100 * 4.184)
x¹ = 56.9°c
Since x for the male frog is greater than x¹ for the female frog, the male frog would be more uncomfortable because it's environmental temp is far higher than the comfort zone tem which is 20° to 40°c so it would move to join the female frog.
Answer:
37.5%
Explanation:
The percentage change in the price of a jar of peanut butter, using the midpoint method, is:

The percentage change in sales of jelly is 15%.
The cross elasticity of demand between peanut butter and jelly is:

The cross elasticity of demand is 37.5%
Answer:
20
10
Twice
Five times
Cow stalls are constructed
Explanation:
The U.S. dairy cow industry produced milk from just over _20_ million cows in 1924. Today, it relies on just under_10_ million. And yet total milk production today is a little over __twice_ what it was in 1924. This is possible because the typical cow produces __five times___ as much milk, thanks to strategic breeding and changes in how _stalls are constructed_.