The ratio os pens to pencils in Darnell's case is 3:5. He has 15 pens. How many pencils does Darnell have?

The distance of planet Saturn from the Sun is 1.5 ⋅ 109 kilometers, and the distance of planet Venus from the Sun is 1.1 ⋅ 108 kilometers. About how many more kilometers is the distance of Saturn from the Sun than the distance of Venus from the Sun?

Find the square root of 0.001 upto two

Find the sum of the first 25 terms. 2,8,14,20

The sum of y and 2 is equal to 5 less than x

Irene has 1 gallon of milk. She uses 4 fluid ounces of milk in each bowl of cereal. How many bowls of cereal can she fill before she has used all the milk?

42/45 greater or less than 3/15

Empire Ford wants to estimate the proportion of trucks compared to all vehicles. They take several random samples of size 100 from the reserved parking lot (where there are numbered, pre-assigned parking spaces) at the Avista baseball stadium.

A square piece of gold has sides that are 9 millimeters long what is the piece of golds area in square millimeters

What's the least common multiple of 76

Miss Crowe best inmates at 6 math problems are completed for every 13.5 minutes they are online about how many problems would be done before 44 minutes