The difference between the ages of two friends is 2 years. the sum of their ages is 74 years. find the age of the older friend

The electrical resistance of aire is directly proportional to its length. If a 45-foot long wire has a resistance of 9 ohm (s), find the resistance of a 75-foot long wire. What is the resistance? ohms

On Monday it rained two and one-half inches. On Tuesday it rained three and three-fourths inches. How much did it rain in the two days?

Adams car can travel 450 miles on a full tank of gas. his gas tank can hold 15 gallons. kennys car can travel 416 miles on a full tank of gas his gas tank can hold 13 gallons which car geets better gas mileage.

What is the mode 2,7,3,7,9?

A Map has a scale of 3.5 inches = 20 kilometers. If the distance between two cities on the map is 4.9 inches, what is the actual distance between the cities?

Work out the circumference of the circle with radius 2.5 cm

Lee buys 5 DVD's for $60. At this rate, how much woukd he bay for 3 DVDs? A:$10. B $30 C:36. D:$58

Show that - 1.808 is a rational number.

Explain in words how to change a fraction to a percent

There are 3 strawberry ice creams, 4 chocolate ice creams, and 7 vanilla ice creams on a tray. barbara selects 2 ice creams at random without replacement. what is the probability that she selects 2 chocolate ice creams?