Find two numbers whose sum is 42 and whose difference is 16.

Solve the inequalities 4y+7>27

What number should be added to the expression x^2+12x to change it into a perfect square trinomial? 6 12 18 36

The length and width of a rectangle are measured as 50 cm and 45 cm, respectively, with an error in measurement of at most 0.1 cm in each. Use differentials to estimate the maximum error in the calculated area of the rectangle.

Which of the following graph shows a negative linear relationship with a correlation coefficient, r, relatively close to - 1

How do you graph the inequality 2x - 5y is less than or equal to negative 10

Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas mileage from his last eight fill-ups; these are listed here.

Anne is taping 7 boxes for storage. She uses feet of tape to close each box. How much tape will Anne need to tape the boxes? Express your answer in simplest form. A. 7 1/2 feet B. 10 1/2 feet C. 11 feet D. 12 feet

Farah rolls a fair dice and flips a fair coin. What is the probability of obtaining a 5 and a head?

If the cos = 6/10 & tan = 8/6 what is sin?

On a standard IQ test, the scores are normally distributed with a mean of 100 and a standard deviation of 20. a) If you score 140, in which percentile are you? b) If you score 90, in which percentile are you?