Solve the equation.log7 (5x - 3) = log7 (2x + 6)
A. 3
B. 3
C. 1
D. No solution
Answer: A
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Round the decimal to the given place value.716.872, nearest whole number
A. 716.87 B. 716.9 C. 716 D. 717
Use a system of linear equations to solve the problem.A chemist needs 130 milliliters of a 68% solution but has only 36% and 88% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 55 mL of 36%; 80 mL of 88% B. 80 mL of 36%; 50 mL of 88% C. 55 mL of 36%; 75 mL of 88% D. 50 mL of 36%; 80 mL of 88%
Use the double-declining-balance method of depreciation. Round to the nearest dollar.New Town Deli buys refrigerated counters for $14,000 and estimates the life at 5 years with a scrap value of $1400. What is the amount of depreciation for the third year?
A. $2520 B. $1400 C. $2016 D. $1814
Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -1, multiplicity 2; 4, multiplicity 1; degree 3
A. x3 + 2x2 - 8x + 4 B. x3 - 2x2 - 7x - 4 C. x3 + 2x2 - 7x + 4 D. x3 + 2x2 - 7x - 4