The area A of a circle is pi times the radius r squared.

A parking meter contains dimes and quarters worth $17.15. There are 98 coins in all. Fi d how many of each there are.

Identify the variation as direct, Inverse, Joint or combined. Vrh direct combined Joint Inverse

The length of a thread is 40 feet. The thread is cut into two parts such that one part is 12 cm shorter than the other part. Find the length of the longer part. m. Epoy and Junjun can do a certain job in 10 hours if they work together.

A lumber company combined oak wood chips that cost $3.40 per pound with pine wood chips that costs $2.60 per pound. How many pounds of each were used to make a 40-pound mixture costing $2.80 per pound?

The bill for a meal at a restaurant is $105.95. If the customer leaves a 20% tip, what is the total cost of the meal with tip

0.82 times what = 0.0082?

Let a be an irrational number. Is - 24+a rational or irrational?

What is the length of the radius of a circle whose area is 100 pie (3.14) ?

A mom bakes a plate of cookies for her children. The first child comes home and eats 1/3 of cookies. Then her 2nd child comes in and eats the same amount. Finally her 3rd child comes in and also eats 1/3.

Cindy works part-time and earns $5.75 an hour 1 year she worked 50 weeks and average 12.4 hours of work per week about how much money did she earn that year?