Find the indicated cross product.v = -4i - 5j, w = -4i + 4j - 6kFind w × v.
A. -30i + 24j + 36k
B. -24i - 24j - 36k
C. -24i + 30j + 36k
D. 36i + 30j - 30k
Answer: A
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Answer the question.Choose the expression that is equivalent to the following: 9x + 3y
A. 3(6x + y) B. 3(3x + y) C. 12xy D. 3(3x + 3y)
Solve the equation.2r + 3 = 23
A. 22 B. 8 C. 10 D. 18
Solve.How can $56,000 be invested, part at 4% annual simple interest and the remainder at 10% annual simple interest, so that the interest earned by the two accounts is equal at the end of the year?
A. $40,000 invested at 4%; $16,000 invested at 10% B. $16,000 invested at 4%; $40,000 invested at 10% C. $26,000 invested at 4%; $30,000 invested at 10% D. $30,000 invested at 4%; $26,000 invested at 10%
Decide whether the relation is a function.{(-9, 3), (-9, 5), (-1, 4), (5, -3), (10, 7)}
A. Function B. Not a function