A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.P = 2L + 2w; P = 20, L = 7

A. w = 3
B. w = 27
C. w = 13
D. L = 3


Answer: A

Mathematics

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Solve the problem.Central Building Company borrowed $16,154 on a 256-day simple interest note to expand their business. The note carried an interest rate of 7.0%. Find the maturity value of the note.

A. $16,969.44 B. $15,349.89 C. $16,958.11 D. $16,233.31

Mathematics

Refer to the table of the six basic solutions to the e-system. In basic solution (B), identify the basic and nonbasic variables and determine if the solution is feasible or not feasible.

A. Basic variables: x2, s2   Nonbasic variables: x1, s1 Solution is not feasible. B. Basic variables: x1, s2   Nonbasic variables: x2, s1 Solution is not feasible. C. Basic variables: x2, s2   Nonbasic variables: x1, s1 Solution is feasible. D. Basic variables: x2, s1 Nonbasic variables: x1, s2 Solution is not feasible.

Mathematics

Find the slope of the line.x = 4

A. 0 B. undefined C. -4 D. 4

Mathematics

Add or subtract as indicated. Write the answer in lowest terms.9 - 7 

A. 2
B. 2
C. 1
D. 2

Mathematics