18 Ms. Kennedy and Mrs. Thed went shopping for
calculators and notebooks. Ms: Kennedy bought 9
calculators and 5 notebooks for $118. Mrs.
Theel bought 6 calculators and 12 notebooks
for $96. How much did a calculator cost and how
much was a notebook?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?