Answer:
option a or c
Step-by-step explanation:
hope it helps u
If you're going to use technology (Brainly) to solve this problem, you might find you get a quicker answer using the technology of your graphing calculator.
It is often convenient to cast the problem in the form f(θ) = 0. You can do that by adding 1 to both sides of the equation.

Answer:
herre is the answer but plz help me too 18 has the square factor 9. ... 18 = 9 · 2.
Step-by-step explanation:
The new model is 11/40 of an inch thinner than the old model.
In order to do this, we need to subtract the new model from the old model.
7/8 - 3/5
In order to complete this, we will need common denominators.
35/40 - 24/40
Then simply complete the operation.
11/40