Provide the requested proof.In the figure below, 
, 
and M is the midpoint of CD. Prove that 
.
What will be an ideal response?
Answers will vary. A sample correct response would be as follows.
By SAS, 
, and so 
. Again, by SAS, 
, and so 
. Thus 
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Determine whether the events A and B are independent.A person is selected at random from a group of college students.Event A: The person selected is a womanEvent B: The person selected votes Republican
A. Yes B. No
Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a line and a circle?
A. 0, 1, or 2 solutions B. 0, 1, 2, or 3 solutions C. 1, 2, or 3 solutions D. 1 or 2 solutions
Identify the equation as either an identity or not.tan2x = sec2x - sin2x - cos2x
A. Identity B. Not an identity
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is doubled, how much brown sugar will be needed?
A. Estimate: 3 cups
Exact: 4 cups
B. Estimate: 3 cups
Exact: 2
cups
C. Estimate: 4 cups
Exact: 4 cups
D. Estimate: 4 cups
Exact: 3 cups