5. An electronic repair shop offers three types of service: on-site, at-store, and by-mail. On-site service costs 3 times
as much as at-store service. By-mail service costs $10 less
than at-store service. Last week, the shop completed 15
services on-site, 40 services at-store, and 5 services by mail
for total sales of $2650. Find the cost of each repair
service.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

What percent of the circle below is shaded?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?