An equilateral triangle with a side length of 10 is folded in half. What is x, the height of the equilateral triangle? (the angles are all 60°)
Round to the nearest tenth.

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.