Use a calculator to find the function value to four decimal places.cos 52.3°
A. 1.2938
B. 0.4473
C. 0.7912
D. 0.6115
Answer: D
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For the region R, find the horizontal line y = k that divides R into two subregions of equal area.R is the region bounded by y = 4 - 
and the x-axis.
A. k = 1 - 2
B. k = 4 - 
C. k = 4 + 2
D. k = 4 - 2
Find an equation of the parabola that satisfies the given conditions.Focus (0, 2), directrix y = -2.
A. y2 = 8x B. y2 = 24x C. x2 = 8y D. x2 = 24y E. x2 = -2y
Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.a = 348.2 m, b = 495.2 m
A. A = 30.11 o, B = 59.89 o B. A = 20.71 o, B = 69.29 o C. A = 35.11 o, B = 54.89 o D. A = 31.67 o, B = 58.33 o E. A = 32.61 o, B = 57.39 o
Find percent notation for the fraction notation in the sentence.
The pie chart shows the majors for 240 college students at Blackwood Community College. 
of the students are majoring in science. Find percent notation for 
.
A. 3.75% B. 33% C. 37.5% D. 3.3%