Answer:
option-D
Step-by-step explanation:
we are given

Let's assume it is equal to 0

We can use quadratic formula
Suppose, we are given quadratic equations as


we can compare and find a,b and c
a=1 , b=2 , c=4
now, we can plug values
and we get

now, we can simplify it
and we get

Answer:
A.
Step-by-step explanation:
98%
The probability of not winning the raffle is 100% - 2% = 98%
Answer:
C.
THis is a right angle making it 90°
Therefore, 6x-15) + x = 90
Step-by-step explanation:
Answer:
Hi
Step-by-step explanation: