2 1/2 + 2 3/5 =
2 5/10 + 2 6/10=
4 11/10 = 5 1/10
5 1/10 - 5 = 1/10
1/10 lb left over
A rational expression is undefined when the denominator is zero.

is undefined when x=0 or x=2.
Answer:
c) 60-40i-75i^2
Step-by-step explanation:
first you multiply out the brackets then collect like terms to get the answer
Answer: A
Step-by-step explanation:image of insect under microscope = scale factor × insect size = 160 × 2 = 320 millimeters