15x+11y=70, 4x + y=19

What is the term used for two equal ratios:

The LCM of 8, 12 and x is 48. The possible value of x is

15 people are expected for a dinner. Three ounces of corn serves one person. A can of corn is nine ounces. How many cans of corn should be brought for the dinner?

Isabella's car used 3 gallons of gas to drive 48 miles. At what rate does her car use gas in gallons per mile?

Gabriel owns 27 fiction books and 23 non-fiction books. If 8 books fit on each shell, how many shelves does he need for all of his books? Solve the problem and explain how the remainder affected your answer. Show your work.

When one New Zealand dollar, NZ$0.77, was worth US$0.77, how much was US$1.00 worth in New Zealand dollars?

Select the letter of the correct answer. Suppose a bucket contains 1,898 sunflower seeds. If this bucket contains 26 times more seeds than another bucket, how many sunflower seeds are in the other bucket?

He radius r of a circle is increasing at a rate of 6 centimeters per minute. find the rate of change of the area when r = 35 centimeters. cm2/min

What is the volume of a cylinder, in cubic inches, with a height of 6 inches and a base diameter of 20 inches? Round to the nearest tenths place

Identify the vertex of the function, f (x) = 3 (x - 1) 2 + 5.