Who invented mathematics and what year was it invented?

The archaeological site of Tara is more than 4000 years old. Tradition states that Tara was the seat of the high kings of Ireland.

Lynnette can wash 959595 cars in 555 days. How many cars can Lynnette wash in 111111 days?

What is 260,987 rounded to the nearest ten thousand

To make coffee, the ratio of teaspoons of creamer to teaspoons of sugar is 4 to 5. If I use 10 teaspoons of creamer, how many teaspoons of sugar do I need?

You are the administrator of an annual essay contest scholarship fund. This year a $90,000 college scholarship is being divided between the top two contestants so that the winner receives five times as much as the runner-up.

Order them from greatest to least. 1 lb = 16 oz 1 oz ≈ 28.3 g 800 g, 1.6 lb, 30 oz

When four times the number is added to 7 times the result is 33. What is the number?

A tablet computer costs $189.69 including tax. It is marked up 30%. What is the final price of the tablet computer after it is marked up? A. $56.91 B. $132.78 C. $219.69 D. $246.60

Jeff found 3 times as many seashells as his sister. Jeff found 39 seashells. How many seashells did his sister find? Write an equation to represent the situation. Then solve the equation to answer the problem.

Divide. square root of - 18 / square root of - 50