The average of the first 3 weights was 20 pounds. The average of the next 12 weights was 25 pounds. What was the overall average of the weights

33 to 45 Is What percent

Which number is the smallest 4.4*10 to the - 5th 3.99*10 to the - 6th 2.6*10 to the second power or 1.85*10 to the third

What is the slope of 2x+7y=21

Nima can mow 18 yards in 6 days. Which strategy can be used to determine how many yards Nima can mow in 20 days?

There are 2 red shirts and 12 shirts in other colors. What is the probability that the next shirt will be sold in red?

What is 1200 divided by 251.2?

A rectangular prism has a length of 9 inches and a width of 4 inches. The lateral area is 78 square inches. What is the height of the prism?

What is the radius of a circle whose equation is x^2+y^2-10x+6y + 18=0

Suppose that the concentration of a bacteria sample is 60 comma 000 bacteria per milliliter. If the concentration triples in 4 days, how long will it take for the concentration to reach 102 comma 000 bacteria per milliliter?

Andrew wants to place grouping symbols in the expression 15 + 25 - 18 : 2 so that it has a value of 18.5. Which shows the correct placing of the grouping symbols? A. (15 + 25) - 18 : 2 B. 15 + (25 - 18 : 2) C. 15 + (25 - 18) : 2 D.