For the problems below, simplify if possible. if not, write "not possible".

11.) 3a - 5 - a

12. ) 5s - 9

13.) 3 * 2 * a * a * b

14.) 3(x - 1) + 5x

15. ) 7( 1 + 2) + 8c

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?