After 6 months the simple interest earned annually on an investment of $3000 was $811. find the interest rate to the nearest tenth of a percent.

On a piece of paper, graph . then determine which answer choice matches the graph you drew

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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