Answer: 
<u>Step-by-step explanation:</u>
There is 1 four out of 6 possible numbers = 
Answer :
inequality form: k ≥ -4
OR
interval form: [-4, ∞)
Answer:
27
Step-by-step explanation:
U = -b + 21 . . . (1)
u = -2b + 30 . . . (2)
Equating (1) and (2),
-b + 21 = -2b + 30
-b + 2b = 30 - 21
b = 9
u = -9 + 21 = 12
Therefore, (b, u) = (9, 12).
Required number
= 1500*(1+2%)^4
=1624(cor.to.the nearest integer)