Which of the following is value of x is in the solution set of 9(2x + 1) < 9x – 18?

a) –4
b) –3
c) –2
d) –1

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.