Decide whether the statement is always true, sometimes true, or never true.The product of two numbers with like signs is positive.
A. Sometimes true
B. Never true
C. Always true
Answer: C
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Explain the mistake, then work the problem correctly.(4x3 - 2x2 + 5x - 1) - (8x3 - 7x2 - 2x + 4)= (4x3 - 2x2 + 5x - 1) + (-8x3 + 7x2 - 2x + 4)= -4x3 + 5x2 + 3x + 3
What will be an ideal response?
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.
A. 2x67/10 B. 32x83/10 C. 2x83/10 D. 32x67/10
Solve the problem.The Finance Club would like to endow an annual prize of $150 to the student who shows the most promise as a future stockbroker. The club is confident that it can invest indefinitely at an interest rate of at least 5% a year. How much does the club need to endow its prize?
A. $3000 B. $300 C. $3150 D. $158
Solve.A brother and sister split the $984,000 from the sale of their parent's house. According to the will, the sister was to receive 5% more than her brother, for having managed the property. How much money did the sister receive?
A. $19,680,000 B. $49,200 C. $480,000 D. $504,000