Use the intersection-of-graphs method to approximate the solution to the nearest hundredth.-6?x - 3
= 0.05?x + 
A. {-7.27}
B. {-0.33}
C. {0.33}
D. ?
Answer: B
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Solve the problem.Ultraviolet radiation from the sun is thought to be one factor causing skin cancer. The amount of UV radiation a person receives is a function of the thickness of the earth's ozone layer which depends on the latitude of the area where the person lives. The following data represent the latitudes and melanoma rates for nine randomly selected areas in the United States. The melanoma rates refer to a three-year period. 
Graph the data on a scatter diagram treating latitude as the independent variable. Find an equation of the line containing the points 
/> and 
Express the relationship using function notation. Graph the line on the scatter diagram. Interpret the slope of the line. Use the line to predict the melanoma rate of an area with a latitude of 42.5 degrees north. 
What will be an ideal response?
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 90 feet. (Round to the nearest tenth.)
A. 75.9 ft per sec B. 53.7 ft per sec C. 5760 ft per sec D. 13.4 ft per sec
Use the given vectors to find the value of the indicated scalar.u = -2i + 7j, v = -7i + 5j; Find (-5u) ? v.
A. -35 B. -245 C. -15 D. 295
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = y2 - 2y - 6
A. 
opens down; vertex (-1, -5);
axis of symmetry x = -1
B. 
opens right; vertex (-7, -1);
axis of symmetry y = -1
C. 
opens up; vertex (1, -7);
axis of symmetry x = 1
D. 
opens right; vertex (-7, 1);
axis of symmetry y = 1