Aball is dropped from a height of 1 metre. if it reaches 0.7 times the height of the height of the previous bounce at each bounce, work out how many times the ball bounces until the height is less than 1 centimetre

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Ineed i been stuck on this question since yesterday

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.