Answer:
a15 = 50
t25 = 33554427
Step-by-step explanation:
Insert/Substitute the number given in for n.
a15 = 3(15) + 5
a15 = 45 + 5
a15 = 50
~
t25 = 2^25 - 5 2 times itself 25 times. 25 is the exponent in this equation
t25 = 33554432 - 5
t25 = 33554427
