Find the solution to the system of equations by substitution.x - 5y = -4x + 8y = -4

A. (-4, 0)
B. (4, 0)
C. (0, 4)
D. (0, -4)


Answer: A

Mathematics

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Use the type of regression function specified to make a prediction from the given data.The table below shows the population of a city in the years 1990 through 1994. Use regression to fit an exponential function P(t) = P0ekt to the data where t is the number of years since 1990 and P is the population in millions. Round regression coefficients to four decimal places.

A. P(t) = 0.6494 e0.2557t B. P(t) = 0.2494 e0.3728t C. P(t) = 6.1981 e0.0457t D. P(t) = 1.2861 e0.2209t

Mathematics

Evaluate.

A. 12 B. Not a real number C. 60 D. 11

Mathematics

Find the indefinite integral. ?

What will be an ideal response?

Mathematics

Find the first term and the common ratio of the geometric sequence.an = -(1.08)n-1

A. a1 = 1.08, r = 0.08 B. a1 = -1, r = 1.08 C. a1 = 0, r = (1.08)n-1 D. a1 = -1, r = -1.08

Mathematics