A neighborhood has 250 families. Natalie randomly selects 20 families to survey about recycling.

of the 20 families she surveyed, 18 of them recycle. About how many families in her

neighborhood recycle?

A recent poll of 380 randomly selected Americans showed that 24% ( = 0.24) are happy with their cell phone carriers. The country's largest cell phone carrier would like to know, within a 90% confidence level, the margin of error for this poll.

3x+y=4 x+2y=-2 what is the answer

How many square feet of wood will Donald use to construct the planter? A) 5.25 square feet B) 6 square feet C) 7.5 square feet D) 9.75 square feet

The expression 3j+10 shows the total cost with shipping for 3 pair of jeans. Find total cost of each pair costs 25 dollars

Factor the sum of terms as a product of the GCF and a sum 18 + 20

What is the next number in the sequence of 12, 13, 15, 17, 111, 113, 117, 119, 123?

There are 6 gray keys for every seven blue keys write the possible ratios for gray to black keys

What formula do you use to find the volume of a triangle with a triangle base?

What is 6.825 as a mixed number in simplest form

Mark wants to paint a mural he has one and 1/3 gallons of yellow paint 1 1/4 gallon of green paint and 7/8 gallons of blue paint mart plans plans to use 3/4 gallons of each paint color how many gallons of paint will he have left after painting the