Is 38 - - 40 positive or negative?

A blood test to detect prostate cancer in men gives a positive result 96% of the time if a person has prostate cancer, and it is 97% accurate for people who do not have the disease.

On a multiple choice test, each question has 4 possible answers. if you make a random guess on the first question, what is the probability that you are correct?

What two numbers multiplies to - 51 and adds to - 14?

Based on the measures shown, could the figure be a parallelogram

How do you get the answer 19 with the numbers 27,3,5,2, using the four operations

Convert 17 km to miles?

As men and women age, their risk of death increases. There are also health issues that can greatly impair older citizens' abilities to participate in activities and travel.

Bob bought 3 packs of model xars. he gave 4 cars to ann. bob has 11 cars left. how many model cars were in each pack

Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units? What is the area when x = 3?

Alexa started a business making bracelets. It takes 5 minutes to make each bracelet. How many brackets can she make if she works 569 minutes?