Use a graphing calculator or other technology to answer the question.
Which quadratic regression equation best fits the data set?


y
ˆ
=2.608
x
2
+115.265x+1568.065


y
ˆ
=2.608
x
2
−115.265x+1568.065


y
ˆ
=1568.065
x
2
−115.265x+2.608


y
ˆ
=1568.065
x
2
+115.265x+2.608
x
y
15
423
17
398
19
308
20
255
21
297
25
365
29
401

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

answer: (3,11) is your answer.

step-by-step explanation:

mariah is studying the life cycle of the monarch butterfly. she must choose one stage in the cycle to present in science class: egg, caterpillar, chrysalis, or adult. she plans to make her choice randomly using a custom spinner divided into four sections. first, however, she spins the spinner 50 times to see the frequencies it generates.

stage times landed on

egg 10

caterpillar 12

chrysalis 15

adult 13

step-by-step explanation: