Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.
- 
= 
A. 0.5
B. -0.167, 1
C. 1
D. 0.333, 0.5
Answer: B
Mathematics
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Which of the following is an improper form of the null and alternative hypotheses?
a. HO: ? ? ?o and HA ? < ?o b. HO: ? < ?o and HA: ? ?o c. HO: ? ? ?o and HA: ? > ?o d. HO: ?= ?o and HA: ? = ?o
Mathematics
Perform the indicated operations.53 - 32 + 33 - 52
A. 118 B. -82 C. -118 D. 82
Mathematics
Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
Mathematics
Solve.One leg of a right triangle is 
longer than the smaller leg, and the hypotenuse is 
longer than the smaller leg. Find the lengths of the sides of the triangle.
A. 16 in., 44 in., 48 in B. 21 in., 49 in., 53 in C. 20 in., 48 in., 52 in. D. 19 in., 47 in., 53 in
Mathematics