When you get to the past of 2-12 over 1/2 do we subtract or divide first?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

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?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?