Please ASAP :( can anyone help me with these questions 15-25 im really stressed out, i have to do a wgeo project after this, hopefully anyone can help me at least with my algebra questions

Answer:
Here are your answers! :)
Step-by-step explanation:
15) -21
16) -11
17) 26
18) 23
19) -32
20) -20
21) 65
22) 420
23) 16
24) -13
25) 20
(I hope this helps!!)