In a shop there are 20 customers, 10 of whom will make a purchase. if three customers are selected, one at a time, at random, what is the probability that all will make a purchase?

How far can you run in 5/7 of an hour if you run at a speed of 8 2/5 mph?

Mr. Carter owned a ranch with 7 1/4 acres. Last year, he bought 3 1/5 acres of land from his neighbor. Then he sold 2 1/4 acres. How many acres does Mr. Carter own now? A) 10 9/20 acres B) 8 1/5 acres C) 12 7/10 acres D) 6 3/10 acres

If you vertically stretch the exponential function f (x) = 2^x by a factor of 5, what is the equation of the new function? A. g (x) = 1/5 x 2^x B. g (x) = 5 x 2^x C. g (x) = 2 x 5^x D. g (x) = 2^5x

What's x/3 = - 8 in equations?

Maria put two angels together to form a straight angle. one angle measures 112. what is the measure of the other angle?

2.7 (7.8) ? I don't know how to work this problem ...

Convert 315 to radians. express the answer as a decimal rounded to the nearest hundredth

If a triangle has three angles that add up to 180 degrees angle a is 20 angle b 50 how much is angle c?

Tell the measure of the angle in degrees 100/360

If an $80 sweater is reduced by 60%, what is the sales price?