The speed of light is 3x10^8 m/s. Venus is 108 million km from the Sun. Calculate the number of minutes it takes for sunlight to reach Venus?

How to factor a trinomial x^2+11x+19

The difference of the answers between (-2) ^4 and - 2^4

Simplify [2 * (10+5) ]-5

1. What are the solutions to the following system? -2x^2+y=-5 y=-3x^2+5 A) (0,2) B) (1,-2) C) (sq. root of 2,-1) and ( - sq. root of 2,-1) D) (sq. root of 5, - 10) and (-sq. root of 5,-10)

i am thinking of two numbers. the first number is 1 more than twice the second number. The sum of the two numbers is 25

A rental car agency charges a flat fee of $139.00 plus $30.00 per day to rent a certain car. Another agency charges a fee of $13.00 plus $51.00 per day to rent the same car. Find the number of days for which the costs are the same.

How to find the radius of square that tells you length, width, and height.

Ruben has two congruent wooden dowels. He cuts one dowel in two in order to have three pieces to make a triangle. Explain why, despite having three sides, Ruben will not be able to make a triangle with his three pieces.

If John has 13 more Apple than jake and Mary has 26 less that jake and all together they have 236 apples how many Apple does each person have

Which of the following is a perfect square? 65, 144, 68, 131