Use Descartes’s Rule of Signs to determine the possible numbers of positive and negative zeros of the function 4x 5 – 8x.
a. One negative zero
b. One negative zero or three positive zeros
c. Two negative zeros or no positive zero
d. One positive zero, one negative zero
d. One positive zero, one negative zero
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Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 60 meters. The hypotenuse is 20 meters longer than the length of the longer leg. How long is the longer leg?
A. 60 m B. 80 m C. 120 m D. 100 m
Provide an appropriate response.Explain why a triangle cannot have a right angle and an obtuse angle.
What will be an ideal response?
The table shows the fraction of the world's surface land area taken up by each continent. Use the table to answer the question. Write your answer in simplest form. Continent Fraction of World's Surface Land Area North America src="https://sciemce.com/media/4/ppg__tttt0706191116__f1q85g5.jpg" style="vertical-align: -17.0px;" /> Australia 
South America 
Europe 
Africa 
Asia 
Antarctica 
How much greater is the fractional part of the continent of Asia than the fractional part of the continent of South America?
A. 
B. 
C. 
D. 
Solve.P = 
for t
A. t = 
B. t = P - rA
C. t = 
D. t = 