Which inequality models this situation? o
The company president sets a goal that
the percentage of working phones must
increase from 30% to at least 80% by the
end of the day.
3 x 8
10 x 10
+
O
3 1 8
+2
10 10
3x 8
2
10x10
O
3+x 8
2
10+ X10

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

[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

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0