Solve the system by elimination.-6x + 9y = 0 -2x - 5y = 0
A. {(1, 3)}
B. {(0, 0)}
C. {(0, 3)}
D. ?
Answer: B
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -4 + 11 cos tFind the body's acceleration at time t = ?/3 sec.
A. 
m/sec2
B. - 
m/sec2
C. 
m/sec2
D. - 
m/sec2
Find the simplified form for f(x) and list all restrictions on the domain.f(x) = 5 + 
- 
A. f(x) = 
, x ? -6, 6
B. f(x) = 
, x ? 6
C. f(x) = 
, x ? -6
D. f(x) = 
, x ? -6, 6
Provide an appropriate response.The population of a small country is 9,357,000. Write9,357,000 in scientific notation.
A. 9.357 × 10-5 B. 9.357 × 106 C. 9.357 × 105 D. 9.357 × 104
Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.24xyz + 18x2z - 2y2z3 + 3xy - x2y2z2
A. 6; none of these B. 6; trinomial C. 1; trinomial D. 5; none of these