The perimeter of the trapezoidal piece of land is 48 km. The perimeter of the rectangular piece of land is 144 km. Write and solve a system of linear equations to find the values of x and y.

Given this information, which expression must represent the value of b?

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?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders