Just by adding both of these, pens and also pencils, these actually both signify the same word, "pencils".
We do . . . .

(
93) <em>should </em>be your correct answer!
D would be the right answer
Grace’s because she followed the order of operations. Addition and subtraction first, then multiply and divide.
60 beats per minute is the answer
Answer with Step-by-step explanation:
f(1) = 160 and f(n + 1) = –2f(n)
⇒ f(2)= -2×f(1)
= -2×160
= -320
⇒ f(3)= -2×f(2)
= -2×(-320)
= 640
⇒ f(4)= -2×f(3)
= -2×640
= -1280
Hence, Value of f(4) is:
- 1280