An object is 15.0 cm from a convex lens. Its image is 12.0 cm from the lens on the other side. What is the focal length of the lens? Question 22 options:

1.25 cm

8.6 cm

6.67 cm

27.0 cm

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.

2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen