1. The cost of a fish dinner for a restaurant is $7.95. If they sell it for $11.95, what is the percent markup?

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Tan198=asin164=? how to solve this? ?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2