Provide an appropriate response.When finding the amount of change in percentage problems, the percent is always based on:
A. the final or ending amount
B. the final or ending amount in decrease problems
C. the original or beginning amount
D. the original or beginning amount for increase problems
Answer: C
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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. x + 4y = 112x + 3y = 2
A. (5, 5) B. (4, -5) C. (-6, 5) D. (-5, 4)
Complete the horizontal analysis for the comparative income statement. Round to the nearest tenth of a percent.
A. 13.9%, -140.0%, 14.2%, -7.8%, 47.8%, -118.7%, 48.7% B. 15.2%, -66.7%, 15.4%, -2.0%, 37.5%, 27.3%, 38.3% C. 17.9%, -40.0%, 18.1%, -1.9%, 60.1%, 37.5%, 62.0% D. -17.9%, 40.0%, -18.1%, 1.9%, -60.1%, -37.5%, -62.0%
Solve the inequality and graph the solution set.
? 7
A. [-53, 59]
B. (-53, 59)
C. (-?, -53] ? [59, ?)
D. ?
Find the exact value of the expression. Do not use a calculator.sin 
- cos 
A. 
B. 1
C. 
D. 0