which is undefined when
or
. The answer is then the third choice.
Answer: 9
Step-by-step explanation:
Question 1. -3 + v5 = 0
Work : -3 + 5v = 0
5v = 3 ( divide )
answer v = 3/5
Question 2. 1 - 7B = -20
work : -7b = -20 - 1
-7b = -21 ( divide )
answer b = 3
question 3 : -k - 5 = 0
work : -k = 5
answer : k = - 5
Question 4 : -1 + 8a = 129
work : 8a = 129 + 1
8a = 130 (divide )
answer a = 65/4
Answer: a
Step-by-step explanation:
Answer:
option a
Step-by-step explanation:
7/8 * -4/21
=7*-4/8*21
=-28/168
=-1/6
In maths product means multiplication.