I HAVE 30 MINUTES PLEASE T-T (I'll give 50 points) 1. Sally has a jewelry business. To make a certain necklace, she spends $2.51 on materials and $4.38 on labor. She then sells the necklace for $17.99. Lucy’s profit on the necklace is equal to the sale price minus the cost of materials and labor. (a) How much profit does Sally earn when she sells a necklace? $11.10 (b) What fraction of the sale price of the necklace is profit? (c) What decimal of every dollar of the sale price of the necklace is profit? Round your answer to the nearest hundredth. (d) Sally collected $269.85 selling necklaces at a craft fair. How many necklaces did Lucy sell? (e) How much profit did she earn?

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.