Step-by-step explanation:
the answer I think D should be
Answer:
12
Step-by-step explanation:
Since f(x) = 3, you would multiply 3 by 4. This is because you are basically saying that you have 4 x's and each x is equal to 3. 3+3+3+3=12 or 4(3)=12
Answer: 78 %
Step-by-step explanation:
Sales - cost = profit
712-400 = 312
As a percentage 312/400 * 100= 78
Answer:
C. 1/16
Step-by-step explanation:
The probability of picking a blue envelope is 2/8 = 1/4. You want to select a blue envelope twice with replacement so we multiply 1/4*1/4 which is 1/16.
X^2-14+5 I’m not sure though