Find the volume.Of a box 7.8 yd × 5 yd × 8 yd

A. 312 yd3 
B. 320 yd3 
C. 486.7 yd3
D. 195 yd3 


Answer: A

Mathematics

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Solve the problem.A mechanic's estimate for a car repair ranges from $650 to $728. If the parts cost $494 and the mechanic charges $26 per hour for labor, what is the range of the mechanic's estimates for the time it will take to replace the part?

A. 25 to 28 hours B. 1 to 9 hours C. 6 to 11 hours D. 6 to 9 hours

Mathematics

Solve the problem. Express any improper fraction as a whole or mixed number.A = 78 square feet

A. 20 ft
B. 10 ft
C. 3 ft
D. 10 ft

Mathematics

Solve the system of equations.

A. x = z + 2, and y = z - 2, where z is any real number or {(x, y, z) |x = z + 2, and y = z - 2, where z is any real number} B. x = 2 - z, and y = z + 2, where z is any real number or {(x, y, z) |x = 2 - z, and y = z + 2, where z is any real number} C. x = z + 2, and y = 2 - z, where z is any real number or {(x, y, z) |x = z + 2, and y = 2 - z, where z is any real number} D. inconsistent

Mathematics

Add or subtract. - 

A.
B.
C.
D.

Mathematics