There are 10,000 dolphins swarming for food. For each single dolphin on the surface, 20 are below the water. How many dolphins are on the surface? How many are below water?

If the mean of 4,8 and x is 7 what is the value of x

Explain why numbers with a 5 in ones place or not prime numbers

What is the range of the function? (1,2) (2,4) (3,9) (4,16)

Sarah only knows the diameter of a circle. What should she do to find the radius?

The common ratio of a geometric series is 3 and the sum of the first 8 terms is 3280. What is the first term of the series?

Greg ran the first leg of a relay in 6.2 seconds. Jeff ran the second leg of the relay in 6.6 seconds. How much time has the relay team run so far?

Ratios - coca cola has 65g sugars total. Equivalent amount of carrots: 1.383 kg or approx 3 lbs. so question asks "Use ratios to determine how many grams of sugar are and 1 kg of carrots". How do I do?

Which of the binomials below is a factor of this trinomial x^2+4x+4

A fence is 692 m long. It is cut into three parts. Two parts are the same length, and the third part is 26 m longer than either of the other two. Find the length of each part.

Grace and Max worked together on a math problem. they had a rectangle piece of paper that 14 inches long and 11 inches wide they where asked to cut this piece of paper into 1/8 inches wide strips using the length of paper how many 1/8 inches wide