Rob who has all 13 girls' phone numbers that are in his homeroom, has 3 more than half the number of girls' phone numbers that jay has

40+30+45+50+23+7+15+6+4+10=?

Jennifer surveyed her classmates recording gender, whether or not they had siblings, and if they liked school. Which two-way table displays the gender and whether or not they like school?

What is the name of this specific isotope?

18 mph on a bike after 5 hours how far will she have traveled

Marcus estimates that 230 people will attend the choir concert. There was an actual total of 300 people who attended the choir concert. What is the percent error

How many cups of lemonade were sold in all? Write and solve an equation

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

You want to estimate the number of eighth-grade students in your school who find it relaxing to listen to music. You consider two samples.