Fine the area of a circle with diameter d=3m. Give answer rounded to 1 DP

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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 points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?