18) Multiply:

18) Multiply:

23) Multiply:

23) Multiply:

13) Simplify by combining like terms:

13) Simplify by combining like terms:

11) Evaluate:

11) Evaluate:

Bonus 1: Simplify:

Bonus 1: Simplify:

2) Evaluate:

2) Evaluate:

Photon beam intensity from the linear accelerator can be dec…

Photon beam intensity from the linear accelerator can be decreased because of

22) Multiply:

22) Multiply:

17) Multiply:

17) Multiply:

27) Multiply:

27) Multiply: