Jane has 2/3 of a lemon pie left over after easter. she decided to give 1/2 of it to her sister. how much of the whole lemon pie was given to jane's sister?

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.

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry