A spray can of brake cleaner costs $1.89. If one can lasts for 11 brake jobs and a shop does 43 brake jobs a week, how much does it cost per week for brake cleaner?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.