Can we find solution to a problem without conducting systematic research?

While Jane was visiting her sister in Winchester, she bought a wooden bench that was marked down 25% from an original price of $80. If the sales tax in Winchester is 10%, what was the total cost of the wooden bench?

You use 66 gallons of water on 20 plants in your garden. At that rate, how much water will it take to water 30 plants?

If 1 square of a pentamine equals 1 unit, how many square units are there in a pentamine?

What is the answer to 10k-9=9k + 10?

A 20-foot ladder leaning against a wall is used for each a window that is 17 feet above the ground. How far from the wall is the bottom of the ladder?

Ricardo pays a $70 sign-up fee to join a fitness center and $30 for each month of his membership. The equation c = 30m + 70 gives the total cost for m months. Which statement correctly describes what happens when m increases?

How to solve. 3r+2 (12r+7) less than or equal to 5r-8

The price of blackberries at a farm is $1.56 per pound. Which equation can be used to determine c, the total price of n pounds of blackberries? c = 1.56n c equals 1.56 over n c = 1.56 + n c = 1.56 - n

He municipality of Rock Island needs $915,000 from property tax to meet its budget. The total value of assessed property in Rock Island is $14,000,000. What's the tax rate per dollar? (Round your answer to the nearest thousandth.) A. $.07 B. $.071 C.

Lable the following as true or false a) every real number is a rational number b) every whole number is an integer c) some irrational numbers are integers d) some integers are natural numbers