What dose 9/10 divided by 2/5 equal

A certain group of test subjects had pulse rates with a mean of 73.9 beats per minute and a standard deviation of 11.8 beats per minute. Would it be unusual for one of the test subjects to have a pulse rate of 77.5 beats per minute?

What is 6.25% written as a fraction in lowest terms? A. 1/16 B. 6/25 C. 31/125 D. 6 1/4

Billy was painting a wall in his room. The total area was 8ft if the wall was 2 feet, how talk was it?

There were 1372 million fewer barrels of crude oil produced in country A in 2009 than there were in country B.

The sum of 6 consecutive integers is 165. What is the least of the 6 integers?

Which is another way to write 19 times 13 divided by 21

What is the quadratic regression equation for the data set? yˆ=-0.004x2+0.415x-0.546 yˆ=-0.004x2-0.415x-0.546 yˆ=0.004x2+0.415x+0.546 yˆ=-0.004x2-0.415x+0.546 x y 50 10 30 11 11 5 35 9 50 12 20 3 90 7

How can you determine wether an equation has infinitely many or no solutions?

Compute the area of the triangle. h = 8 cm b = 16 cm

13. f (x) = x + 5 a. f (4) b. f (7) c. f (-3) d. f (0) e. f (2.4) f. f (2/3)