Solve the system of equations by the substitution method.

A. {(-3, 12)}
B. {(3, -12)}
C. {(-3, -12)}
D. {(3, 12)}


Answer: B

Mathematics

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Solve the problem.Together, JoAnne and Josh drove 916 miles to take the family on a vacation. Josh drove 181 miles more than twice the number of miles that JoAnne drove. How many miles did each of them drive?

A. JoAnne: 426 miles, Josh: 490 miles B. JoAnne: 195 miles, Josh: 721 miles C. JoAnne: 245 miles, Josh: 671 miles D. JoAnne: 490 miles, Josh: 426 miles

Mathematics

Provide an appropriate response.Give an example where you would need to multiply by two or more unit fractions to make a conversion.

What will be an ideal response?

Mathematics

Find the periodic payment that will render the sum.FV = $42,000, interest is 8% compounded monthly, payments made at the end of each month for 3 years

A. $1036.13 B. $12,433.54 C. $2213.19 D. $3373.51

Mathematics

Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = -i + j

A. 135° B. 300° C. 120° D. 150°

Mathematics