Figure A is a scale image of figure B. Figure A Figure B 12 Figure A maps to figure B with a scale factor of ali What is the value of r?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?