A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = ?r2; r = 9, ? = 3.14

A. 254.34
B. 28.26
C. 12.14
D. 88.74


Answer: A

Mathematics

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Find decimal notation.97.12%

A. 9.712 B. 0.09712 C. 0.9712 D. 0.9612

Mathematics

If the height, n, of a trapezoid equals the length of its shorter base and the longer base is twice the shorter base, then the area of the trapezoid is

(a) 2n (b) 3n2 (c) 1.5n3 (d) 1.5n2 (e) None of these is correct.

Mathematics

Solve the problem.Determine a polynomial that represents the area of the figure. Leave ? in the answer.

A. 16x2 + 24x + 9 B. 16?x2 + 24?x + 9? C. 16x2 + 9 D. 16?x2 + 9?

Mathematics

Find the distance between P and Q.P(3, -3), Q(7, -5)

A. 6
B. 12
C. 2
D. 12

Mathematics