Excel Computers Corporation can make 500 graphics cards in a day for $100,000 and 1,000 graphics cards for $180,000.
The fixed cost of production is $80,000. Which equation gives
the total cost of daily production?
1. C=160x-80,000
2.C=500x+100,000
3.C=1,000x+180,000
4.C=160x+80,000

Arecipe calls for 32 fluid ounces of heavy cream. how many 1 pint containers of heavy cream are needed to make the recipe?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove