Find the angle between u and v in radians.u = -3i + 3j - 4k, v = 2i + 3j - 4k

A. 1.26
B. 0.65
C. 1.55
D. 0.92


Answer: D

Mathematics

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Provide an appropriate response.Arrange the polynomial in descending order:  x6 + 5x4 - 3x2

A. x6 + 5x4 - 3x2 B. x6 - 3x2 + 5x4 C. 5x4 + x6 - 3x2 D. 5x4 - 3x2 + x6

Mathematics

Identify the polygon.

A. rectangle B. quadrilateral C. pentagon D. hexagon

Mathematics

An airplane is approaching Los Angeles International Airport at an altitude of 10,560 feet. If the horizontal distance from the plane to the runway is 2.1 miles, use the Pythagorean Theorem to find the diagonal distance from the plane to the runway (see the figure below). (5,280 feet equals 1 mile.) ?  ?  a = 2.1 miles, b = 10,560 feet ?

A. 2.6 miles B. 2.2 miles C. 2.9 miles D. 2.3 miles E. 2.8 miles

Mathematics

Simplify the expression. First use the distributive property to remove any parentheses.4(6x + 2y + 8)

A. 24x + 2y + 8 B. 24x + 2y + 32 C. 24x + 8y + 32 D. 24x + 8y + 8

Mathematics