Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.sec2 55° - tan2 55°
A. 0
B. 1
C. 2
D. -1
Answer: B
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Which of the following is not equivalent to the perimeter of the given quadrilateral?
?
A.
?
B.
?
C.
P = ?
x + 2
D.
?The sum of all sides.
E.
?a and b
How many revolutions will a bicycle wheel of diameter 26 inches make as the bicycle travels a distance of 4 miles?
(a) 2,193 (b) 1,760 (c) 3,103 (d) 3,806 (e) 5, 280
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
17 km
A. 157 km B. 314 km C. 11 km D. 17.72 km
Solve the problem.A building 150 feet tall casts a 70 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 5 feet above ground level.)
A. 61.13° B. 28.87° C. 64.98° D. 64.23°