Find the diameter of a circle if the radius has the value given.r = 45 cm

A. 22.5 cm
B. 90 cm
C. 6358.50 cm
D. 141.3 cm


Answer: B

Mathematics

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Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = 11 - x2

A. Linear; 11; 11; 1 B. Constant; 11; 11; 0 C. Quadratic; -x2; -1; 2 D. Linear; -x2; -1; 1

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Find the limit, if it exists. 

A. 1/2 B. Does not exist C. 2 D. 1

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Solve the problems.A cheetah can run at a speed of approximately 68 miles per hour. Calculate this speed in feet per second. Round to the nearest whole number.

A. 92 ft/sec B. 136 ft/sec C. 100 ft/sec D. 111 ft/sec

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Solve the given equation. + h = 14

A. h = 4 B. h = -4 C. h = 24 D. h = -24

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