Mr. Zul saves a total of RM30 000 in Bank A and Bank B. The interest rates of Bank A and Bank B are 8% and 5% per annum respectively. The total interest for the saving in a year is RM 2220. Find the total principal in Bank A and Bank B Pls help me with this question :'] ​

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Nine more than four times a number is the same as one less than twice the number. find the number?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?