Answer:
18 inches and 9 inches
Step-by-step explanation:
Given, The base of a triangle is twice of the height.
Area = 81 sq inches
Let, Base (b) = 2x
Height (h) = x
Area of the triangle = \frac{1}{2}bh
\frac{1}{2}bh = 81
or, x^{2} = 8
Base = 2×9 inches = 18 inches
Height = 9 inches
Answer:

Step-by-step explanation:
Recall that the volume of a cube is given by:

Where <em>s</em> is the side length of the cube.
The edges of the cube has an original length of 2.25 feet. It increases by 1.25 feet per hour. In other words, the length <em>s</em> after <em>h</em> hours can be modeled by the equation:

Substitute. Hence, our function is:

Answer:
A jar contains 5 red, 4 blue, and 3 yellow marbles.
The probability of pulling a red marble, then pulling a blue marble, without replacement would be:
P = 5/(5+4+3) x 4/(5+4+3-1) = 5/12 x 4/11 = 0.15 = ~0.2
Hope this helps!
:)