The amount A in an account is given by the formula A = p + i where p is the principal and i is the interest.How much interest was earned if an original deposit (the principal) of $4,350 has grown to be $4,630?
A. $290
B. $280
C. $295
D. $285
E. $260
Answer: B
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Find the total differential of the function.
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A. 
B. 
C. 
D. 
E. 
Solve the problem.The information in the chart gives the salary of a person for the stated years. Use the information for the years 2001 and 2003 to find an equation that models the data. Let x = 1 represent 2001, x = 3 represent 2003, and y represent the salary. Write the equation in slope-intercept form. Use this equation to approximate the salary for 2004 to the nearest dollar. 
A. y = 950x; $3800 B. y = -1196x + 23,500; $18,716 C. y = 950x + 23,500; $27,300 D. y = 28.4x + 23,500; $23,613.6
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
A. 9
B. 98
C. 
D. 
Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When 5 times a number is subtracted from 7 times the number, the result is 14. What is the number?
A. 7 B. 0.3 C. 2 D. -7