Find a unit vector in the direction of the given vector.
?
?
?

A.
B.
C.
D.
E.


Answer: B

Mathematics

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Add.-5 + 7

A. 12 B. -12 C. 2 D. -2

Mathematics

Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 = -16x

A. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4

B. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4

C. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4

D. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4

Mathematics

Use common logarithms or natural logarithms and a calculator to evaluate to four decimal placeslog718

A. 1.4854 B. 0.6732 C. 0.4102 D. 2.1004

Mathematics

The Fibonacci sequence is a sequence whose first two terms are f1 = 1 and f2 = 1, and all other terms are the sum of the two preceding terms. The terms of the Fibonacci sequence are often referred to as Fibonacci numbers.The sum of any 10 consecutive Fibonacci numbers is divisible by 11. Select 10 Fibonacci numbers, and verify this fact.

What will be an ideal response?

Mathematics