What is the ratio of pennies to dimes in a dollar

It is 4 kilometers from chris's house to the nearest mailbox. how far is it in meters?

In a lottery, 1000 tickets are sold at. 25 each. there are 3 cash prizes: 100, 50, and 30. alice buys 5 tickets. what would be a fair price for a ticket

Does 27.93 equal to this 20.7+0.9+0.03

One serving of a cereal is 3/4 cup. Each box cereal has about 9 cups of cereal an costs $3.80. Is the price per serving greater than $0.50? Explain

Chef fills a 50 ml container with 43.5 g of cooking oil. what is the density of the oil?

What is 2+27387:56/7:6/6/=

Suppose that 4.5% of the people in the world have a particular genetic defect and that a screening test is 81% accurate for people who have it and 88% accurate for people who do not.

What's 6 divided by 3/4 =

How does an integer differ from a whole number?

Board A: 3ft 9in Board B: 4ft 3in Board C: 2ft 6in If he glues boards A and C together end to end, how long will the new board be?