Solve the problem.A square sheet of paper measures 45 centimeters on each side. What is the length of the diagonal of this paper?

A. 4050 cm
B. 90 cm
C. 45 cm
D. 45 cm


Answer: C

Mathematics

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Evaluate.(-5)2

A. -25 B. 25 C. -10 D. 10

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An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.

A.
B.
C.
D.

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Solve the quadratic equation using the quadratic formula. Express the solution in standard form.5x2 = -9x - 7

A.
B.
C.
D.

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Answer the question regarding the probability mass function described. A spinner marked off in five equal-sized regions, numbered 3, 4, 5, 6, 7, is spun twice. Let the random variable X be the sum of the numbers of the regions where the pointer stops, and define a probability mass function f(x) = P(X = x).(a) State the range of X.(b) Draw the probability distribution as a histogram.

A. (a) 6, 7, 8, 9, 10
(b) 

B. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b) 

C. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b)

D. (a) {6, 7, 8, 9, 10, 11, 12, 13, 14}
(b) 

Mathematics