Answer:
D
Step-by-step explanation:
Binomial means that it will have two terms, so by process of elemination, we are only left with C and D. Degree would be the power, and D is the only one that has a power of 2.
Answer:
18.) 3
19.) -4
20.) 1.25 or 1 1/4
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Answer:
and 
Step-by-step explanation:
-equation 1
-equation 2
Solving the equation 1 to get the value of
To solve such type of equations that have two unknown variables, find the value of one variable in terms of the other from any one of the equation and put the value in the second equation which will give the value of both the variables
Solving Equation 2 to find x


equation 3
Putting this value of x in the equation 1





, 
Putting the value of y in equation 3 to find the value of x


Answer:
16. Yes
17. Yes
Step-by-step explanation:
Since the angles are congruent (due to parallel lines) the two triangles are similar. Similar triangles form congruent ratios between their corresponding sides.
Since the quadrilaterals are similar, this means the angles in each are congruent. This will not change when divided by diagonals. The triangles in each will have congruent angles and their sides will maintain equivalent ratios.
Answer:
20
Step-by-step explanation: multiply