Add parentheses to the expression so that its value is 6: 3 + 9 ÷ 9 - 6 a. (3 + 9) ÷ 9 - 6 b. 3 + (9 ÷ 9) - 6 c. 3 + 9 ÷ (9 - 6) d. no parentheses are needed. explain why we need parentheses and when we know to use them.

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368