Answer:
11
Step-by-step explanation:
The lines on the outside simply means "absolute value". This just takes any negative number and makes it positive. In this case, 15-4 is already positive so the answer is just positive 11.
Answer:
it will 16y-8x and common 8 is so 2y-x
Answer:
ther will be exactly one value. the answer is b
Basically find the prime numbers that multiply to make that number or the base parts so
90=2 times 45
45=3 times 15
15=3 times 5
prime factor=2 times 3 times 3 times 5
