A convex polyhedron has (9a−1) faces, (8a) vertices, and (16a) edges. What is the value of a? Euler’s formula: V + F = E + 2

a = 2
a = 3
a = 4
a = 5

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Whats the name of the vertical axis