Solve the problem.A ball is dropped from a height of 53 feet. On each bounce, it bounces to 72% of its previous height. How high does it get after the 4th bounce? (Round to the nearest hundredth, if necessary.)

A. 138.42 feet
B. 189.29 feet
C. 19.78 feet
D. 14.24 feet


Answer: D

Mathematics

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Determine if the given set of whole numbers is closed under multiplication.{1, 2, 3, 4, . . ., 44}

A. Closed B. Not closed

Mathematics

How many fields of study were less than 40% male?

The double bar graph below shows the percents of associate degrees awarded to
males and females for selected fields of study in the United States in 2003. Degrees awarded
to females are graphed above degrees awarded to males.


A) 6
B) 3
C) 4
D) 7
E) 5

Mathematics

Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -10x2 - 2x - 3

A. vertex 
intercept (0, -3) 

B. vertex 
intercept (0, -3)

C. vertex 
intercept (0, 3) 

D. vertex 
intercept (0, 3) 

Mathematics

Complete the identity.The expression  is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?

A. tan2? - 1 B. cos ? sin ? C. csc ? cot ? D. sec ? cot ?

Mathematics