Solve the absolute value equation.  = 7

A.
B. ?
C.  
D.  


Answer: D

Mathematics

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 represents the rate of change of the function f with respect to the variable t.

Answer the following statement true (T) or false (F)

Mathematics

Solve using a proportion. Round your answer to the nearest hundredth when necessary.It is recommended that there be at least 9.2 square feet of floor space in a classroom for every student in the class. Find the minimum floor space that 39 students require. Round to the nearest tenth if necessary.

A. 423.9 square feet B. 358.8 square feet C. 9.2 square feet D. 23.6 square feet

Mathematics

Solve the problem.How many liters (L) of a 10% silver iodide solution must be mixed with 6 L of a 4% silver iodide solution to get a 6% solution?

A. 3.0 L B. 4.0 L C. 6.0 L D. 2.0 L

Mathematics

Use FOIL to multiply.(5x + 9)(2x + 7)

A. 10x2 + 17x + 63 B. 10x2 + 63 C. 7x2 + 16 D. 10x2 + 53x + 63

Mathematics