The probability that Emma has heart disease is 0.6. She decides to take a test for the disease that is 80% accurate. What is the probability that Emma has heart disease and the test predicts heart disease?

How do you find a percentage of a number which does go into 100? For example: 86%

A boat is on a bearing of 340 degrees from Lighthouse A and 245 degrees from Lighthouse B. Work out the bearing.

How can I change Celsius to Fahrenheit

a line has the equation 4y=3x-8 which is the equation of a line parallel to this line that has a y intercpt of 4?

What are the excluded values of x for x+4 / - 3^2+12x+36

Four friends split equally a lunch bill of $36.96 plus 20% tip. how much did each person pay?

What is 433.38 in word form

Rosita and Garth are saving up for a vacation, and begin with a certain amount saved each. If Rosita works 5 hours, she will have $128. If she works 7 hours, she will have $164. If Garth works 3 hours, he will have $124.

Which situation could not represent a proportional relationship

1/6 Solve the following equation: 2 (w - 1) = 10