Tyler is a builder. When he makes mortar, he uses CEMENT, LIME and SAND in the ratio 1:2:8. If he makes 55 kg mortar, find how much of : a) CEMENT b) LIME c) SAND is used Note: Show your all working and steps
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Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

Describe the graph of 3x+2> 2 and 3x< 6

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?