Put the quadratic y = 3x2 + 5x + 1
into the quadratic formula: x = -b+Vb2-4ac
Enter the number that belongs in the green box
- [?]+v[ 12-40)
20
2a
X=

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

[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