30% of doctors on a hospital are female. if there are 780 doctors altogether, how many doctors are female? round to the nearest whole number

34.1 : 5.5 i need an explanation on this math problem how to break it down

Kate reads books that were 240, 450, 240, 160, 165, 170, 180 pages long. What are the mean median and mode and which one describes the data set best?

What is the answer to 215 rounding to the nearest 10 Math

The product of 5 and the sum of x and 4 equals to 45. Construct and equation and find the value of x

7. You go out to dinner and the bill is $40 and you want to leave the server a 15% tip. How much of a tip are you going leave?

Ending time is 10:08 am. Elapsed time 30 min

Paige spends 1 hour on her homework. She spends equal amounts of time on all subjects. If Paige spends 1/2 hour on Spanish, how many subjects does she study? Answers: 3 subjects 1 subject 4 subjects 2 subjects

What is solution for the following system of equations, 2x+8y=4 and x=-3y+5 1) X=14 Y=-3 2) X=2 Y=-3 3) X=-3 Y=-3 4) X=12 Y=5

Some amount of billiard balls were arranged in an equilateral triangle. And 4 balls were extra. When the same set of billiard balls were arranged into triangle in which each side has one more ball than in the first arrangement there were 3 balls

A true-false question is to be posed to a husband and wife team. Both the husband and the wife will give the correct answer with probability 0.8.