Math--
A brick layer is hired to build three walls of equal length. He has bricks which are 9 inches, 27 inches, and 21 inches long. He plans to build one wall out of each type of brick. What is the shortest length of wall possible? A) 5103 inches B) 57 inches C) 189 inches D) 567 in...
Math--
Identify the property or theorem which justifies the statement. 7 × 3 is an integer A) Associative property B) Inverse property C) Closure property D) Multiplicative identity
Math--
Compute the value of the given expression. - I -15 I - 21 I BTW the I are suppose to be straight lines ;) A) -36 B) 6 C) -6 D) 36
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Find the least common multiple for the numbers. 56 and 96 A) 1344 B) 168 C) 672 D) 224
Math--
Decide whether or not the set is closed under addition. {0, 1} A) Closed B) Not closed
Math-
Find the multiplicative inverse of the number.9 1/7 A) 1/63 B) -9 1/7 C) 1/64 D) 7/64
Math-
Express the ratio in simplest form. 5 1/2 days to 2 1/2 weeks A) 11 : 5 B) 5 : 2 C) 11 : 35 D) 77 : 5
Math-
Use a proportion to solve the problem. If 4 sandwich rolls cost $1.08, how much will 18 rolls cost? A) $4.32 B) $6.32 C) $5.86 D) $4.86
Math-
Write the percent as a fraction in the lowest terms. 7.5% A) 3/40 B) 3/4 C) 3/80 D) 3/20
Math-
Solve the problem. If the answer is an amount of money, round to the nearest dollar. Maria has saved $420 at a bank. She wants to accumulate $1250 to attend computer camp. What percent of her goal has been reached? A) 33.6% B) 0.336% C) 30% D) 3%
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