If c is equal to the sum of a and twice b, which of the following is the average (arithmetic mean) of a and c? A. c
B. a+b
C. a
D. b
E. a+c

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Rationalize the denominator- 12x/√x-10

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