What is 0.686 rounded to the nearest tenth

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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?