Express the statement as a formula.
s is inversely proportional to the square root of t
Use the information that if s = 7 then t = 25 to find the constant of proportionality.
(a) 7
(b) 38
(c) 35
(d) 175
(e) 1
(c) 35
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Write the polynomial so that its terms are in descending order.6x - 1 + 4x2
A. -1 + 6x + 4x2 B. 6x + 4x2 - 1 C. 4x2 + 6x - 1 D. -1 + 4x2 + 6x
Combine like terms.8xy + 5y2 - 4xy + 8x2
A. -32xy + 40x2y2 B. 17x2 + 17xy + 17y2 C. 8x2 + 4xy + 5y2 D. 4xy + 40x2y2
Apply the quotient rule for exponents, if applicable, and write the result using only positive exponents. Assume all variables represent nonzero numbers.
A. 
B. 710
C. 
D. 74
Solve the problem. Give the answer to the nearest thousandth if necessary.A rectangle has a length of 
and a width of 
. What is the best estimate for its dimensions?
A. 10 by 8 B. 10 by 7 C. 11 by 8 D. 11 by 7