If f(x) = 2x2, what is f(a+3)? 2a2 + 12a + 18
O 4a + 12
a? + 6a + 9
12a2 + 18a + 2
Asap pls test due soo

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Acircle has a circumference of 7.850 units. what is its radius?