Find the indicated cardinal number.Find n(G), given that n(D × G) = 20 and D = {7, 8, 9, 10}.
A. 4
B. 24
C. 9
D. 5
Answer: D
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Simplify the expression, and combine like terms.7(5x2 + 9y) - (4x2 - 3y)
A. 39x2 + 66y B. 31x2 + 60y C. 39x2 + 12y D. 31x2 + 66y
Solve the problem.What is the domain of the sine function?
A. all real numbers, except odd multiples of 
(90°)
B. all real numbers, except integral multiples of ? (180°)
C. all real numbers from -1 to 1, inclusive
D. all real numbers
Provide the proper response.In estimating the definite integral for f(x) on the interval [5, 10], we compute 
If n = 5, then what is the value of ?x?
A. 2 B. 2.5 C. 5 D. None of the above
Solve.Normal body temperature is 98.6°F. Ellen's temperature is 
How many degrees above normal body temperature is this?
A. 2.3 degrees B. 1.2 degrees C. 2.2 degrees D. 1.3 degrees