Which statement about quadrilateral l is not always true

A. a rhombus is a parallelogram

B. a square is a rhombus

C. a quadrilateral are is a square

D. a trapezoid is a quadrilateral

A plane flies 250 km at an angle of 30 degrees north of west. How far west and how far north did the plane travel?

Three tenths plus five eigths

an equilateral is a 3-sided plygon in which all sides have the same length. Write a formula for the perimeter, P, of an equilateral triangle whos perimeter is 72 inches.

Factor completely, the expression: 2x^3-2x^3-12x

What's the lowest common denominator for 3/8, 1/9

Write 79,700 in scientific notation show work

Find two unit vectors orthogonal to both and

There are 12 ducks and 15 gesse swimming in a pond. what is the ratio of gesse to total brids at the pond?

Convert the following decimal or whole number to a percent

After tossing the same coin 10 times, you are surprised to find that tails has come up 8 times. You therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.80.