Answer:
the answer is 207
Step-by-step explanation:
using bodmas
Number of proper subsets = 2^number of elements- 1
= 2^n - 1
No of elements = 4
2^4-1 = 16-1 = 15
C) They solve the same number of problems per minute
172.5 Divided by 2
115 divided by 2
= 57.5
Answer:
13.5 cm
Step-by-step explanation:
9 divided by 2 = 4.5 *There's a 4.5 increase
3 X 4.5 = 13.5
The new print is 13.5cm by 9cm
Answer:
x = 
Step-by-step explanation:
12-5x-4kx=y
1. Subtract 12 from both sides.
2.Distrubutive property (factor) a(b+c)=ab+ac
x(-5-4k)=y-12
x = 
= 