The data set represents a month-to-month progression of gasoline prices over the course of several months in an
unspecified city. Use a graphing calculator to determine the quadratic regression equation for this data set.
0
2. 3 4
5
у 1.30 1.34 1.38 2.20 2.88 2.24
х
1
a
b
y=-0.01572 +0.365x+1.116
y = 0.01572 -0.365x + 1.116
cy=-0.0157° +0 0365x+1.116
d y=-0.0157° +0.365x-1116

What’s the volume of the triangular prism?

How can writing phrases as algebraic expressions you solve problems?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?