Solve the problem.A ball is thrown vertically upward from the top of a building 96 feet tall with an initial velocity of 80 feet per second. The distance s (in feet) of the ball from the ground after t seconds is  After how many seconds will the ball pass the top of the building on its way down?

A. 96 sec
B. 7 sec
C. 5 sec
D. 4 sec


Answer: C

Mathematics

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Find the infinite sum accurate to three decimal places.

A. 0.972 B. -0.972 C. -1.036 D. 1.036

Mathematics

Integrate using any method.

Mathematics

Solve the problem.A coffee store has available 75 pounds of A grade coffee and 120 pounds of B grade coffee. These will be blended into 1 pound packages as follows: an economy blend that contains 4 ounces of A grade coffee and 12 ounces of B grade coffee and a superior blend that contains 8 ounces of A grade coffee and 8 ounces of B grade coffee. Using x to denote the number of packages of the economy blend and y to denote the number of packages of the superior blend, write a system of linear inequalities that describes the possible number of packages of each blend. Graph the system of inequalities. 

What will be an ideal response?

Mathematics

On the real number line, label the points with the given coordinates.-5.75, -3, -1, 1.25  

A.

B.

C.

D.

Mathematics