Before she went to the grocery store, jana had 4 tomatoes in her refrigerator. for the next 3 weeks she buys n number of tomatoes each week. which algebraic expression represents how many tomatoes she has at the end of three weeks?

The current in an electrical conductor varies inversely as the resistance of the conductor. If the current is 30 ampere when the resistance is 600 ohms, what is the current when the resistance is 320 ohms? Round to 1 decimal place.

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. Which unit of measure is the most appropriate to use in this situation?

Find the percent of increase of 17,500 to 21,000

How many significant figures does 2,090 have

How do you divide 2 by 462?

5y - 3z + 4y - 1z - 3y; y = 3 and z = - 2

An architect represents a 9 inch height as inch on a scale drawing. Which of the following scales did the architect use? 1 foot = inch 1 foot = inch 1 foot = inch 1 foot = inch

86% of senators support a bill. What fraction of senators support the bill?

Lettuce is packaged in four bags to a box. if there are 3.5 boxes of lettuce in a cooler, how many bags of lettuce would there be?

Christy drove 300 miles on her vacation. she drove an average of 1.25 times faster on the secont 150 miles of the trip than she did on the first 150 miles. what expression represents the time she spent driving? let x=her speed on the first half