The cost of renting ice skates at a skating rink is $1.25 . The rink charges $3.25 for each hour, x, of skating. What is the equation for this problem

What signals you that factoring by grouping is the best method to use when factoring a problem?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible