The second step in the process for x^2-5x-36 factoring the trinomial is to: a. find the sum of the factors of 5 b. list all the factors of the 5 c. find the sum of the factors of 36 d. list all the factors of 36

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class