Find x8-x-8, Given that x2-x-2=2
1154
When two coins are tossed simultaneously, what is the probability of getting the same outcome on both the coins 2 times in a row?
1/4
What is in the one's digit of:
222,222 - 22,222 - 2,222 - 222 - 22 - 2?
Figure is not drawn to scale
x = 65°
y = 90°
2007 + 1898 + 2012 + 99(-5) - 5 = x
Find x
5417
32024-22024, Find the Units' Digit
5
33433_47_ is a multiple of 3 and 8. Find all the numbers that can go inside the blank.
1,2,4,7
What percent of the cylinder is filled with water?
Give your answer to the nearest 0.1%
22.7%
Four squares of side lengths 4, 7, 9, and 10 units are arranged in increasing size order so that their left edges and bottom edges align. What is the area of the visible gray region in square units?
52
Suppose that real number satisfiesWhat is the value of ?
8
(10-4(6)1/2)1/2, Denest the Radical
(6)1/2-2
Given that 711=1977326743
Find 1977326742 in base 7
66666666666
an + bn = cn
n is an integer > 2; Find three positive integers a, b, and c that satisfy the equation
Seven cubes, whose volumes are , , , , , , and cubic units, are stacked vertically to form a tower in which the volumes of the cubes decrease from bottom to top. Except for the bottom cube, the bottom face of each cube lies completely on top of the cube below it. What is the total surface area of the tower (including the bottom) in square units?
658
The least common multiple of a positive integer n and 18 is 180, and the greatest common divisor of n and 45 is 15. What is the sum of the digits of n?
6