Answer:
B, C, E, F
Step-by-step explanation:
x^2 >= 49
A. 6: 6^2 = 36 No
B. 20: 20^2 = 400 Yes
C. -7: (-7)^2 = 49 Yes
D. -5: (-5)^2 = 25 No
E. -16: (-16)^2 = 256 Yes
F. 7: 7^2 = 49 Yes
Answer:
9 kilometers
Step-by-step explanation:
.9 times 2 is 1.8. 1.8 times 5 is 9
Answer:
B
Step-by-step explanation:
The cube of twice a number =

Decreased by 11 =

Hence, the cube of twice a number decreased by 11 =

The # halfway in between 21 and 63 is 42.