Identify the coefficient of the fourth term for the expression


-7

Mathematics

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Graph.9(y + 2)2 - 25(x + 4)2  = 225

A.

B.


C.

D.

Mathematics

Multiply.10(-1)(2)(-9)

A. 180 B. 17 C. -180 D. 28

Mathematics

The sides of a square baseball diamond are 90 ft long. When a player who is between the second and third base is 30 ft from second base and heading toward third base at a speed of 24 ft/sec, how fast is the distance between the player and home plate changing? Round to two decimal places.

Mathematics

Suppose a country's population at any time t grows in accordance with the rule ? ? where P denotes the population at any time t,k is a positive constant reflecting the natural growth rate of the population, andi is a constant giving the (constant) rate of immigration into the country. If the total population of the country at time t =0 is P?0, find an expression for the population at any time t.

What will be an ideal response?

Mathematics