Find the slope and the y-intercept of the given line.y = - x + 5

A. - ; (0, -5)
B. - ; (0, 5)
C. ; (0, 5)
D. ; (0, -5)


Answer: B

Mathematics

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For a certain species of cricket, the temperature T, in degrees Fahrenheit, can be estimated from  the number n of cricket chirps per minute.  The relationship is . ? A:  Find a formula that expresses the number of chirps per minute as a function of the temperature.B:  How many chirps per minute can be expected if the temperature is 55.00 degrees Fahrenheit?

What will be an ideal response?

Mathematics

Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y

A. Domain: all points in the x-y plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the first quadrant of the x-y plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the x-y plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the x-y plane; range: real numbers z > 0; level curves: lines x + y = c

Mathematics

Use your estimation skills to pick the most reasonable answer. Do not solve the problem.6 - 2.75

A. 3.25 B. 0.0325 C. 0.325

Mathematics

Find the sum of the arithmetic sequence.(-6) + (-1) + 4 + 9 + ... + 39

A. 165 B. 170 C. 330 D. 160

Mathematics