Solve.Frank can type a report in 3 hours and James takes 4 hours. How long will it take the two of them typing together?

A. 4 hr
B.  hr
C.  hr
D. 12 hr


Answer: C

Mathematics

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Solve the equation.21.8 = 14.7 + m

A. m = 7.1 B. m = 36.5 C. m = -36.5 D. m = -7.1

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Use = or ? for ? to write a true sentence. ? 

A. ? B. =

Mathematics

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 4x - 45

A. (x + 9)(x - 5) B. (x - 9)(x + 5) C. prime D. (x - 9)(x + 1)

Mathematics

Identify the sequence as arithmetic, geometric, or neither.an = 

A. Neither B. Geometric C. Arithmetic

Mathematics