A bacteria culture starts with 150 bacteria and after 4 hours the population consists of 250 bacteria. what is the rate of the increase to the nearest percent?

a. 11%

b. 13%

c. 15%

d. 17%

A baseball that usually cost $65 is on sale for $55.25. what is the percent off?

If tan 0 = 12/5 and cos 0 = - 15/3, then what is sin 0

A swimming pool had 2.5 million liters of water in it. Some water evaporated, and then the pool only had million liters of water in it. What percent of the water evaporated?

How much is 16 dollars per a gallon

What is the area of a rectangle if it's side lengths are (3x-1) and (2x+1)

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