If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.
A. (-5, 1)
B. (1, -5)
C. infinite number of solutions
D. no solution
Answer: B
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Solve the problem.On a holiday weekend, Nancy drove 1
hours in rush-hour traffic. When traffic eased up, she was able to increase her speed by 44 miles per hour and drove another 4
hours. If the entire trip was 354 miles, how fast did she drive in rush-hour traffic?
A. 27
mph
B. 27 mph
C. 28 mph
D. 26 mph
Identify the place value of the digit 5 in the decimal number. 6.98507
A. thousands B. thousandths C. hundredths D. tenths
Use synthetic division to find the quotient and the remainder.(2x4 - x3 - 15x2 + 3x) ÷ (x + 3)
A. Q(x) = (2x3 - 7x2 + 6x - 15); R(x) = - 45 B. Q(x) = (2x3 - 5x2 + 3); R(x) = 9 C. Q(x) = (2x3 + 5x2 + 3); R(x) = 9 D. Q(x) = (2x3 - 7x2 + 6x - 15); R(x) = 45
Find the whole.20 lawyers is 7% of what number of lawyers?
A. 29 lawyers B. 2860 lawyers C. 140 lawyers D. 286 lawyers