Solve the problem.Students enrolled in a prealgebra class can withdraw within the first two weeks without receiving a grade. If there were 32 students registered for class on the first day and 27 remaining at the end of the second week, what was the percent decrease in students for the first two weeks? Round to the nearest tenth of a percent, if necessary.
A. 15.6%
B. 84.4%
C. 18.5%
D. 81.5%
Answer: A
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Find the exact value of the expression. Do not use a calculator.cos [cos-1 (-0.9372)]
A. -0.9372 B. -0.4686 C. 0.9372 D. 0.4686
Evaluate 
, where 
?
, 
?
Round the answer to two decimal places, if necessary
?
__________
Fill in the blank(s) with the appropriate word(s).
Solve the problem by writing and solving a suitable system of equations.A small business takes out loans from three different banks to buy some new equipment. The total amount of the three loans is $34,000. The first bank offered an interest rate of 16%. The second bank offered a rate of 18% and the amount borrowed from this bank was $5000 less than twice as much as the amount borrowed from the first bank. The third bank offered a rate of 15%. The total annual interest was $5650. How much did they borrow from each bank?
A. first bank $10,000, second bank $15,000, third bank: $9000 B. first bank $9600, second bank $14,200, third bank: $10,200 C. first bank $11,000, second bank $17,000, third bank: $6000 D. first bank $10,500, second bank $16,000, third bank: $7500
Solve the equation by completing the square.12x2 + 11x = 0
A. 
, - 
B. 0
C. - 
, 0
D. 
, 0