7.) Walter and Brian each have a CD collection.

Walter has x amount of CDs whereas Brian has 3 times the

number in Walter's collection. The total number of CDs in both

collections is 144.

What is x, the number of CDs in Walter's collection?

Stevens grades on his last 8 science tests were 96, 84, 73, 96, 92, 88, 81, and 88. What is the range of his grades?

Your dad tells you that he will pay you $6 an hour for the 6 seconds that you take to wash your hands before dinner. How much did you make for washing your hands?

Three boxes of baseball cards weigh 99 pounds how many pounds do 4 boxes weigh

Samantha is making necklaces using 54 glass beads and 18 clay beads. Each necklace will have the same number of beads, but only one type of bead. If she puts the greatest possible number of beads on each necklace, how many necklaces can she make?

The record high January temperature in Austin, Texas is 90 degrees (F). The record low January temperature is - 2 degrees (F). Find the difference between the high and low temperatures.

A circular clock face has a radius of 3.5 inches. What is the area of the clock face? Round to the nearest tenth.

A number decreases by 19 divided by - 6 is not more than 5

A horse ring with a radius of 10 yards find the area of each circle use 3.14

At a party of 102 people, 72 Ib of potato salad is served. Write and solve an equation to find how many people each pound of potato salad serves

Alex went for a walk. D (t) models the distance Alex walked in (kilometers) after t hours what does D (0.5) <D (1) - D (0.5) mean?