Solve the problem.Use the floor plan shown to complete the exercise. On the plan, one inch (abbreviated in.) represents four feet. What is the length and width of the master bedroom?
A = 3.9 in.D = 2.7 in.B = 1.4 in. E = 4.8 in.C = 3.3 in.
A. 57.6 inches, 46.8 inches
B. 46.8 inches, 57.6 inches
C. 19.2 feet, 15.6 feet
D. 1.2 feet, 1.0 foot
Answer: C
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Use the indicated model of multiplication to illustrate the statement.(2 ? 3) ? 4 = 2 ? (3 ? 4); array model
A. (2 ? 3) ? 4 has four sets of blocks with 2 rows and 3 columns in each set.
4 sets of these
2 ? (3 ? 4) has two sets of blocks with 3 rows and 4 columns in each set.
2 sets of these
B. (2 ? 3) ? 4 has six sets of blocks with 1 column and 4 rows in each set.
6 sets of these
2 ? (3 ? 4) has 12 sets of blocks with 1 column and 2 rows in each set.
12 sets of these
Solve the problem.If student identification numbers at your school were determined by randomly assigning a combination of 3 letters and then 3 digits to each student, how many possible combinations could be created?
A. 260 combinations B. 676,000 combinations C. 17,576,000 combinations D. 1,757,600 combinations
Determine whether the pair of fractions is equivalent.
and 
A. not equivalent B. equivalent
Find the slope of the line.
A. -9 B. 0 C. undefined slope D. 2