-10z+14 would be the simplified answer
787.50
You multiply 250 by .05 to get 12.50, then you add it to 250 to get 262.50, and multiply it by 3 to get 787.50
Answer:
number 1 i already answered that and Im correct
Answer:66
Step-by-step explanation:
an=21+5n
ninth term is a9
a9=21+5x9
a9=21+45
a9=66
