Last month, lana sold 35 necklaces a week at $15 each. however, throughout the month, 6 customers returned their necklaces for a full refund due to defective clasps. how much did lana make selling necklaces last month? (hint: assume there were 4 weeks in the last month.)

Find the value of x that will make l ll m

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)