Graph the inequality.2x + 4y ? 8
A. 
B. 
C. 
D. 
Answer: D
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Express the relationship between a small change in x and the corresponding change in y in the form 
.f(x) = 3 cot 
A. dy = 3x3 csc2 
dx
B. dy = -3x3 csc 
dx
C. dy = -3x4 csc2 
dx
D. dy = -3x3 csc2 
dx
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The mosquito population within a defined area is estimated at 25 million. Due to weather conditions, it is projected that this population will increase by 80%. Find the increase and the projected population.
A. increase: 20 million mosquitos projected population: 5 million mosquitos B. increase: 20 million mosquitos projected population: 45 million mosquitos C. increase: 2000 million mosquitos projected population: 2025 million mosquitos D. increase: 2000 million mosquitos projected population: 1975 million mosquitos
Simplify.
A. 
B. 4
C. 
D. 3
Two ladders are leaning against a wall at the same angle as shown. How long is the shorter ladder? Suppose, that a = 60 ft, b = 40 ft, and c = 18 ft.
a. 22
b. 48
c. 18
d. 28
e. none of these