Agrocery store will only accept yellow onions that are at least 2.75 in in diameter. a grower has a crop of onions with diameter that are normally distributed with a mean diameter of 3.25 in and a standard deviation of 0.25 in. which percent of the onions will be accepted by the grocery store

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Explain why the factor 1.5 is broke. into two numbers in the model.