Sarah wants to round 543 to the nearest ten. what 2 ten does 543 come between

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth