Which number sentence is true? a. -4 < 4b. -5 < 5c. -4 < -5d. -4 > -5

A. Yes -4 is smaller than 4. In other words, -4 is to the left of 4 on the number line.

B. Yes this is also true. This is very similar to choice A

C. No this is not true. The value -5 is not larger than -4. The number -5 is to the left of -4 so it is smaller. 

D. Yes this is true as its nearly the opposite of choice C above. Saying that -4 is larger is true. 

In summary the answers are A, B, D. So basically everything but C is true

Hello!
volume of sphere =4/3.pi.r^3