Answer:
17
Step-by-step explanation:
Y = - 7
-7 to the 2nd power = 49.
4(-7) = - 28
49+(-28)=21
21 - 5 = 17
Answer:
C
Step-by-step explanation:
2x +4 > 16
If you plug in 6 where the x is, and multiply 2 by 6, you get 12. Add 4 to 12 to get 16. If x is 6 it equals 16, so if x > 6 the answer will be more than 16.
Answer:
7.5 : 1
Step-by-step explanation:
Given that :
Length of airplane = 150 inches
Length of model = 20 inches
Ratio of length of plane to that of model
Length of plane : length of model
150 : 20
15 : 2
7.5 : 1