Which regular polygon can be used to form a tessellation?

Hexagon

Pentagon

Decagon

Octagon

One hundred forty five people attended the school basketball game. The game was played in an auditorium that seats four hundred people. How many more people could have attended the basketball game

A traveler buys $1600 in traveler's checks, in $10, $20, and $50 denominations. The number of $10 checks is 5 less than twice the number of $20 checks, and the number of $50 checks is 3 less than the number of $20 checks.

Consider the equation, - 2x + 3y = 6. Identify the slope.

Write an equation for the translation of y = |x|. 6.5 units up A. y = |x| + 6.5 B. y + 6.5 = |x| C. y = |x| - 6.5 D. y = |6.5x|

How to find the derivative of functions: y = (5x+7) (x+5) ^3

If cos Θ = negative 4 over 7, what are the values of sin Θ and tan Θ?

Express x^2-5x+8 in the form (x-a) ^2+b where a and b are top-heavy fractions.

Which of the following is the product of the rational expressions shown below?

Find the volume of a cylinder with a radius of 6 cm and height 15 cm? (to the nearest whole centimeter) A) 424 cm3 B) 848 cm3 C) 1,696 cm3 D) 3,393 cm3

I was at school today and I was having trouble with this question. What is 210 of 300?