Answer:

Step-by-step explanation:
Area of the shaded region = area of the large rectangular - area of the small rectangle
Area of rectangle is given as l*w
Area of the large rectangle = 
Expand


Area of large rectangle 
Area of small rectangle = 


Area of small rectangle = 
Area of shaded region = 

Collect like terms


Answer:
2.33 meters tall
Step-by-step explanation:
1.75 + 0.38 + 0.2
Answer:
(-2.23606, 2) and (2.23606, 2)
Step-by-step explanation:


The circle has its center situated at the origin and radius of 3 units
Applying the value of y to the first equation





So, the points where the line will intersect the circle is (-2.23606, 2) and (2.23606, 2)
Answer:
D, B and E
Step-by-step explanation:
To find the discount we write it as
Discount=15% of $249
We can write the above as
1)15/100×249(E)
OR
2)0.15×249 (B)
OR
3)3/20×100 (D)