Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cos ? = 0.49566425
A. 119.713561°
B. 60.2864387°
C. 299.713561°
D. 29.7135613°
Answer: B
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Solve the problem.A building 160 feet tall casts a 90 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 56° B. 34° C. 61° D. 29°
Let a and b be positive numbers. Determine whether the statement is true or false.(-a)(-a) is a negative number.
A. True B. False
Write an equation for the parabola.
points: (1, -4), (3, 0)
A. (x - 4)2 = 8(y + 1) B. (y + 1)2 = 8(x - 4) C. (y + 4)2 = 8(x - 1) D. (x + 4)2 = 8(y - 1)
Solve for x, if 
. Write your answers in exact values only.
?
What will be an ideal response?