Use the inverse trigonometric keys on a calculator to find the measure of angle A, rounded to the nearest whole degree.

A. 29°
B. 26°
C. 28°
D. 27°


Answer: C

Mathematics

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Solve the problem.The sides of a triangle are 7 inches, 8 inches, and 9 inches. If the shortest side of a similar triangle is  find its longest side.

A. 45 in. B. 39 in. C. 40 in. D. 8 in.

Mathematics

Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.-6(6x - 12) < -42x + 36

A. x ? -6

(-?, -6]
B. x ? -6

[-6, ?)
C. x < -6

(-?, -6)
D. x > -6

(-6, ?)

Mathematics

Subtract.9010 - 1259

A. 8249 B. 9261 C. 8861 D. 7751

Mathematics

Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = , y = 4t + 2; 0 ? t ? 4

A. y = 2x2 + 4; -1 ? x ? 2 B. y = 4x2 + 2; 0 ? x ? 2 C. y = -2x + 19; 0 ? x ? 2 D. y = -2x2 + 19; 0 ? x ? 2

Mathematics