A karate studio has 10 beginner classes, 7 intermediate classes, and 4 advanced classes. What fraction of the classes represents the number of beginner classes? A) 10/11 B) 7/21 c) 10/17 D) 10/21

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Rationalize the denominator- 12x/√x-10

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?