Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 1.2%? (Round to the nearest year.)
A. 250 years
B. 40 years
C. 1 year
D. 92 years
Answer: D
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Decide whether the ordered pair is a solution of the given system.(3, 4)2x + y = 24x + 2y = 4
A. Yes B. No
Factor completely. If the polynomial cannot be factored, say it is prime.18x2 - 63x - 36
A. 9(2x + 1)(x - 4) B. (18x - 9)(x + 4) C. 9(2x - 1)(x + 4) D. prime
Solve the problem.A beverage company works out a demand function for its sale of soda and finds it to be q = D(x) = 3500 - 24xwhere q = the quantity of sodas sold when the price per can, in cents, is x. At what price, x, is the elasticity of demand inelastic?
A. For x < 146 cents B. For x > 42,000 cents C. For x > 292 cents D. For x < 73 cents
For the given polar equation, write an equivalent rectangular equation.r = cos ?
A. (x + y)2 = y B. x2 + y2 = y C. (x + y)2 = x D. x2 + y2 = x