Solve and check the equation.7 - 5x = -33

A. {-8}
B.
C. {8}
D.


Answer: C

Mathematics

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Find the intersection.9x + 8y - 9z = -3, -7x - 5y + 7z = 10

A. x = 11t + 65, y = 0t + 69, z = -11t
B. x = 121t + 65, y = 0t - 69, z = -11t
C. x = -11t - 65, y = 0t + 69, z = -11t
D. x = 11t - , y = 0t + , z = 11t

Mathematics

Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by  where x is the number of days since the start of the job. Find the expenditure if the job takes 3 days.

A. $4100 B. $41 C. $7800 D. $78

Mathematics

Express the vector as a product of its length and direction.12i - 4j - 18k

A. 22(j - k)
B. 22
C. 22
D. 22

Mathematics

Solve the equation involving fractions. = 1 + 

A. -2, 4 B. No solution C. 6, 10 D. -12

Mathematics