Answer:
Step-by-step explanation:
a + 143 = 180 {Linear pair}
a = 180 - 143
a = 37
37 + 93 + b = 180 {Angle sum property of triangle}
130 + b = 180
b = 180 - 130
b = 40
c + b = 90
c + 40 = 90
c = 90 - 40
c = 50
d + 120 = 180 {Linear pair}
d = 180 - 120
d = 60
? = 60 + 40 {Exterior angle property of triangle}
? = 100
Answer:
D) -122
Step-by-step explanation:
Given:

We need to find f(-4).
Now by substituting the value of x =-4 in above equation we get;

By using PEDMAS we will solve for exponential function first we get;
Now we know that 
So we get;

Now using PEDMAS we will solve division.

Now using PEDMAS we solve multiplication.

Finally by subtraction we get;

Answer:
19/4
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
this will be Afggggggggggggggggggggggggggggvmh,jyfkjhv
Answer:
A
Step-by-step explanation:
first option, as the decrease percentage is applicated on a greater number than the original
e.g.
A
a= 10
B
10 + 50% = 15
15 - 50% = 7,5
A will be greater then B by 25%