Solve the formula for the specified variable.P = 
for r
A. r = 
B. r = 
C. r = P - tA
D. r = 
Answer: A
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Solve the problem.A rectangle has a length of x + 3 and a width of x - 3, and has an area of 40 square units. Find the length and width of the rectangle. (A = LW)
A. width = 5 units; length = 8 units B. width = 1 unit; length = 40 units C. width = 2 units; length = 20 units D. width = 4 units; length = 10 units
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Identify the numerical coefficient of the term.-5x2
A. 5 B. x2 C. 2 D. -5
A boat is pulled in by means of a winch located on a dock 
feet above the deck of the boat (see figure). Let ? be the angle of elevation from the boat to the winch and let s be the length of the rope from the winch to the boat. Write ? as a function of s.
?
?
A. 
B. 
C. 
D. 
E. 