Provide an appropriate response.What is 78 decreased by 21?

A. 99
B. 137
C. 57
D. 55

Answer: C

Mathematics

Use the method of undetermined coefficients to solve the differential equation.y" - 7y' + 10y = ex

A. y = C₁e^-5x + C₂e^-2x + e^x
B. y = C₁e^-5x + C₂e^-2x - e^x
C. y = C₁e^5x + C₂e^2x + xe^x
D. y = C₁e^5x + C₂e^2x + e^x

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Mathematics

Use inductive reasoning to predict the next equation.2 × 4 = 3 × 5 - 74 × 6 = 5 × 7 - 11

A. 6 × 8 = 7 × 9 + 13 B. 6 × 8 = 9 × 11 - 15 C. 6 × 8 = 7 × 9 - 15 D. 6 × 8 = 7 × 9 - 13

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Mathematics

Write the percent as a fraction or mixed number in simplest form.12.5%

A. 1
B.
C.
D.

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Mathematics

Find the point at which the given function is discontinuous.

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Mathematics