Find the radius or diameter as requested.Find the diameter.
A. 50 in.
B. 78.5 in.
C. 12.5 in.
D. 1962.50 in.
Answer: A
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Indicate whether the graph of the equation is a circle, an ellipse, a hyperbola, or a parabola. Then graph the conic section.9y2 = 4x2 + 36
A. circle
B. ellipse
C. parabola
D. hyperbola
Completely factor the polynomial or state that the polynomial is prime.x2 - x - 63
A. prime B. (x - 7)(x + 9) C. (x + 7)(x - 9) D. (x - 63)(x + 1)
Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by 
where x is the number of days since the start of the job. Find the expenditure if the job takes 6 days.
A. $16 B. $6000 C. $1600 D. $60
Solve the problem.A die is rolled 10 times. Find the probability of rolling exactly 10 ones.
A. Approximately 2.8 × 10-9 B. Approximately 6.0 × 10-7 C. Approximately 1.7 × 10-8 D. Approximately 9.9 × 10-8