Give the coefficient of in the binomial expansion of .

One line has four collinear points in order from left to right A, B, C, D. If AB = 10’, CD was twice as long as AB, and AC = 25’, how long is AD?

A regular tetrahedron has an edge length of . What is its volume?

x is 75% of y, which is 8 times the amount of 150% of z. What is x in terms of z?

In Rhombus , . If is constructed, which of the following is true about ?

In order to get to work, Jeff leaves home and drives 4 miles due north, then 3 miles due east, followed by 6 miles due north and, finally, 7 miles due east. What is the straight line distance from Jeff’s work to his home?

In the figure above, is a square and is three times the length of . What is the area of ?

Bob can build a house in 3 days. Gary can build a house in 5 days. How long does it take them to build a house together?

What is the hypotenuse of a right triangle with side lengths and ?

Note: Figure NOT drawn to scale.

Refer to the above diagram. Evaluate .