Which box-and-whisker plot represents this data: 6,7,9,9,20,22,26,28,29,30

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)