Solve the problem.The highest point in a country x is 3204 feet above sea level. The lowest point in that same country is 73 feet below sea level. What is the difference in elevation between the highest and lowest points?
A. 3131 ft
B. -3131 ft
C. -3277 ft
D. 3277 ft
Answer: D
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Find the measure of the angle.
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A. 140° B. 145° C. 135° D. 155°
Find a rectangular equation for the plane curve defined by the parametric equations.x = t3 + 1, y = t3 - 1; -2 ? t ? 2
A. y = x3; for x in -3 ? x ? 1 B. y = x - 2; for x in -7 ? x ? 9 C. y = - x - 2; for x in -7 ? x ? 9 D. y = - x2; for x in -4 ? x ? 4
Solve the problem.Joanie drives a truck for the local trucking company in Seattle and earns $33 per hour. On one particular trip, she leaves Seattle at 8 a.m. and travels 104 miles to the warehouse. At the warehouse, she waits for 4 hours for her truck to be loaded and then returns to Seattle. She estimates that she can travel at an average speed of 52 miles per hour. Use the formula 
to determine how much money Joanie expects to earn from her trip if she includes the time she waits for the truck to be loaded.
A. $66 B. $132 C. $198 D. $264
Use properties of logarithms to simplify.log7 7 + log7 1
A. 8 B. 7 C. 1 D. 6