Answer:
The area of the shape is 
Step-by-step explanation:
we know that
The area of the shape is the area of a three quarter of circle
The area of a three quarter of circle is equal to

we have

substitute

Slope is just tangent of the graph
Answer:
(a) 0.0001 or 0.01%
(b) 0.01 or 1%
Step-by-step explanation:
Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.
The probability that if you forget your PIN, then you can guess the correct sequence
(a) at random:

(b) when you recall the first two digits.

Answer:
The given statement is true.
Step-by-step explanation:
Quadrilaterals are similar if their corresponding sides are proportional.
This statement is true.
Quadrilaterals are similar when
a) corresponding angles are equal
b) the corresponding sides are proportional i,e the ratios of corresponding sides are equal
So, the given statement is true.
Jamel drove 137 miles on his vacation. If you take $122.75 and subtract 50 than it is it is 72.75. The you divide 0.75 to the 72.75 and you get 97. You add the 40 miles free of charge to the 97 to get 137 miles.