Find the LCM.9 and 15
A. 135
B. 45
C. 24
D. 15
Answer: B
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Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.The sum of seven times a first number and six times a second number is 33. If the second number is subtracted from three times the first number, the result is 7. Find the numbers.
A. 5 and 1 B. 21 and 12 C. 14 and 6 D. 3 and 2
Find the exact value of the trigonometric function.sec 
A. - 
B. -1
C. - 
D. - 
Use regression to find a quadratic function that best fits the data. Give results to the nearest hundredth.
A. f(x) = -0.7803 + 98.39x - 419.89 B. f(x) = -4.66x2 - 45.67x + 345.67 C. f(x) = -0.54x2 + 60.05x + 912.48 D. f(x) = 0.54x2 + 60.05x + 912.48
Identify the domain and range of the relation.
A. domain: {Alice, Brad, Carl} range: {cat, dog} B. domain: {cat, dog} range: {Alice, Brad, Carl}