Write an equation to describe the situation.A hot air balloon descends to a height of 308 feet, 
of its previous height. How high was the balloon before its descent?
A. 3h = 308
B. 308h = 
C. h + 
= 308
D. 
= 308
Answer: D
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Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)
For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = 2x3 + 8x2 - 6x + 2
A. 3; 2; 1 B. 3; 3; 3 C. 2; 2; 1 D. 3; 3; 2
Suppose that in order to buy a Treasury bill (T-bill) that matures to $10,000 in 10 months, you must pay $9,750. What rate does this earn? Round your answer to one decimal place. ?
A. 4.3% B. 1.8% C. 3.7% D. 2.5% E. 3.1%
Find real numbers a and b such that the equation is true.
?
?
A. 
B. 
C. ?
D. 
E. 