Answer:
f(-4)= 24
Step-by-step explanation:
-4(-4)+8 We need to multiply -4 and -4 and a negative times a negative is a positive.
16+8 Now it's easy math and we just add them
This gives us 24.
3 x 2.7 is the same as 3 x 3 x 0.9 = 9 x 0.9 = 8.1
B=(2a/h) - a is the answer.
Answer:
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Answer:

Step-by-step explanation:
n is doubled: 2n
y added: 2n + y
divided by 2: n + 
n subtracted -> final resutl: 