Set up a system of equations needed to solve each probler

11. You have 42 coins valued at $3.00. Some of

the coins are dimes and some are quarters. Find the

number of each you have.

The park ranger explained that the rangers spend some of their time removing invasive plant life, such as kudzu, from the park, because it is taking over and killing the native plant life. They removed 76 ponds of kudzu everyday for a week.

Katy buys 4 DVDs every 2 weeks. How many DVDs will she buy in 14 weeks?

A group of educators want to determine how effective tutoring is in raising students' grades in a math class, so they arrange free tutoring for those who want it.

If the area of a circle is 81 pie What is the radius of the circle?

How do you draw disks on a place value chart?

What rate is equivalent to 72/9

Mrs. Tiwari has two sons, one being exactly one year older than the other. Her age is equal to the sum of the squares of the ages of her sons. If 4 years hence her age becomes five times the age of the elder son then find the ages of her sons.

Which pair of angles are vertical angles? WRU and SRT WRS and VRT VRU and TRS VRT and SRT

Explain what is important about the sign of the exponent and why it changes the solution.

What is 14,494 to the nearest ten thousand feet