Please write the full question, you wrote half of the question. If you could write the full one, I could probably be able to answer it
Answer:
(a) 
(b) 
(c) 
Step-by-step explanation:
(a)



(b)


(c)


Hope this helps!
Answer:
1920
Step-by-step explanation:
Nina can type 128 words is 4 minutes. At this rate, how many words can Nina type in an hour?
60 divided by 4 is 15
15x128= 1920
Substitute -8 for t in the expression, and now you have: h(-8) = -2[(-8) + 5]^2 + 4. Solve inside the parentheses; add -8 and 5.
h(-8) = -2[-3]^2 + 4, solve exponents next by squaring -3.
h(-8) = -2[9] + 4, multiply -2 and 9.
h(-8) = [-18] + 4, add -18 and 4.
h(-8) = -14.
Answer:
4k^2 + 14k - 8
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ÷)