Use the given triangle and the following information: a= 7 and b= 3. Leave the answers in fraction form.
 FIGURE.png)
Find sinA.
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 ANSWER.png)
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Solve the inequality. Write the solution in interval notation and graph the solution set.-12x + 10 ? -2(5x + 2)
A. (-?, 7]
B. [7, ?)
C. [7, ?)
D. (-?, 7)
Solve the problem.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Find the equation of the least-squares regression line that models the data. Entering GPA Current GPA 3.5 3.6 3.8 3.7 3.6 3.9 3.6 3.6 3.5 3.9 3.9 3.8 4.0 3.7 3.9 3.9 3.5 3.8 3.7 4.0
A. y ? 2.51 + 0.329x B. y ? 3.67 + 0.0313x C. y ? 5.81 + 0.497x D. y ? 4.91 + 0.0212x
Use a calculator to evaluate 
. Round the answer to two decimal places.
A. 
B. 
C. 
D. 
E. 
Solve the problem.It costs $42 per hour plus a flat fee of $16 for a plumber to make a house call. What is an equation of the form 
for this situation?
A. y = 42x + 16 B. y = 42x C. y = 16x D. y = 16x + 42