The phone company Blurizon has a monthly cellular plan where a customer pays a flat fee for unlimited voice calls and then a
certain amount per GB of data used. If a customer uses 10 GB,
the monthly cost will be 598. If the customer uses 32 GB, the
monthly cost will be $230.

A) Find an equation in the form y m. b, where r is the
number of GB of data used in a month and y is the total
monthly cost of the Blurizon plan.

y=

B) Use your equation to find the total monthly cost if 18 GB are
used.

If 18 GB are used, the total cost will be dollars.

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Aline passes through 3,7 and 6,9 what equation represents the line

An annual marathon covers a route that has a distance of approximately 26 miles. winning times for this marathon are all over 2 hours. the following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. earlier period 14 12 15 22 13 10 19 13 9 14 20 18 16 20 23 12 18 17 6 13 recent period 7 11 7 14 8 9 11 14 8 7 9 8 7 9 9 9 9 8 10 8 (a) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks. for more details, view how to split a stem.) minutes beyond 2 hours earlier period 0 1 2 (b) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks.) minutes beyond 2 hours recent period (c) compare the two distributions. how many times under 15 minutes are in each distribution