Moriah started with 15 ½ yards of fabric. She used 3 ⅔ yards to make a costume and 2 ¼ yards to make a pillowcase. How many yards does she have left?

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Which of the following expressions is equal to 2x^2+8