Solve. Write a mixed numeral for the answer.A worker has readings that take 2 minutes each to read and record. How many readings can be completed in 168 minutes?

A. 114 readings
B. 63 readings
C. 448 readings
D. 10 readings


Answer: B

Mathematics

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Solve the system by the addition method. Be sure to check all proposed solutions.  x + 9y = 15-3x + 8y = 25

A. {(-4, 3)} B. {(3, 3)} C. {(-3, 2)} D. ?

Mathematics

Provide an appropriate response.Perform the indicated operations: 489 × 104 =

A. 48,000,000 B. 195,000 C. 4,890,000 D. 0.0489

Mathematics

Provide an appropriate response.Let f(x) = 9(2x), and consider the sequence f(1), f(2), f(3), . . . . Is this a geometric sequence, and if so, what is the common ratio?

A. Yes; 2 B. Yes; x C. Yes; 9 D. No

Mathematics

Given that the pair of triangles is similar, find x.

A. x = 28 B. x = 21 C. x = 12 D. x = 7

Mathematics