Which compound inequality has no solution?

x > 2 and 3x ≤ 9
x > 1 and 2x ≤ –2
x > –1 and 4x ≥ –8
x > –2 and 5x ≥ 15

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?