Worth 15 points plz answer thx : d
a triangle with angle measures of 60° and 80° is a what triangle?

a. an acute
b. an obtuse
or
c. a right triange

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81