N the United States in the 20th century, average life expectancy increased from about 47 years to about 77 years. Find the percent of increase to the nearest percent.

A. 39%

B. 64%

C. 264%

Which of the following are linear measurements? A) Length and width B) Depth and height C) Diameters, clearance, end play, and thickness D) All of the above

Ryan fills his cats water bowl is it reasonable to say he uses 1 milliliter of water?

What is "common base width"?

One lap around a track is one eigth of a mile. a horse ran a distance of 11 laps in 3 minutes and 30 seconds. what is the horses average speed in miles per minute

A triangular prism is 14.3 millimeters long. It has a triangular face with a height of 12 millimeters. The volume of the prism is 1,123.98 cubic millimeters. What is the base of its triangular face?

What is the product of 5.86 x 10-7 and 3.1 x 104 1. Write the expression: (5.86 x 10-7) (3.1 * 104) 2. Rearrange the expression: (5.86 * 3.1) (10-7. 104) 3. Multiply the coefficients: (18.166) (10-7. 104) 4. Apply the product of powers: 18.

Find the vertex of this parabola y=-5x^2-10x-13

Mike performed 139 more community service hours than Natasha. If Mike finished 220 hours of community service, how many hours did Natasha complete? 81 hours 91 hours 181 hours 259 hours

A Dog Sled Driver Added More Gear To The Sled Doubling Its Weight This Felt Too Heavy So The Driver Removed 20 Pounds To Reach The Final Weight Of 180 Pounds Write And Solve An Equation To Find The Sleds Original Weight Describe How You Could Find

If Melissa has a score of 5-4i and Tomas has a score of 3+2i what is their total score