Which sequences are geometric? check all that apply.
a) –2.7, –9, –30, –100,
b) –1, 2.5, –6.25, 15.625,
c) 9.1, 9.2, 9.3, 9.4,
d) 8, 0.8, 0.08, 0.008,
f) 4, –4, –12, –20,

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

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