2. Twice a certain number is doubled. The resulting number is four times the original number.

How must one place the integers from 1 to 15 in each of the spaces below in such a way that no number is repeated and the sum of the numbers in ANY TWO consecutive spaces is a perfect square?

Ordered pair of 5x-6y=30

Triangulation is a method of finding the location of an object based of instruments made from two other locations. True or false?

If a mans salary is $20 a week and he spends $14 a week how long will it take him to save $300

According to forrest gump, "life is like a box of chocolates. you never know what you're gonna get." suppose a candy maker offers a special "gump box" with 20 chocolate candies that look the same.

Using π = 3.14, find the area of a circle with a radius of 9. Round your answer to the nearest hundredth.

Rachel received a $70 gift card for a coffee store. She used it in buying some coffee that cost $8.13 per pound. After buying the coffee, she had $21.22 left on her card. How many pounds of coffee did she buy?

What is (12-2i) (5+3i) multiplied?

What is fourteen divided by 168.56

Which graph represents the given inequality 2x-5y<-20