How to find an unknown angle in a quadrilateral

A student factors 15c^2 + c - 28 to the following. (c + 2) (15c - 14) Which of the following statement about (c + 2) (15c - 14) is true? A. The expression is equivalent, and it is completely factored. B.

The time it takes people to read a certain book is normally distributed with a mean of 147 minutes and a standard deviation of 12 minutes. Approximately what percent of people take between 123 and 171 minutes to read the book?

Find the mean, median, and mode of the data set. Round to the nearest tenth Test scores on a math test: 88, 89, 65, 62, 83, 63, 84, 63, 74, 64, 71, 82, 66, 88, 79, 60, 86, 63, 93, 99, 60, 85

Instead of having sick time, Klein Manufacturing offers "Personal Time" to their employees. An employee can have up to 5 days of personal time a year before they start using their vacation time for illnesses.

5. Carrie is 5 years older than her sister Sue was 9 years ago. Today, their ages have a sum of 26. How old are Carrie and Sue now?

Ashely walks 2 1/2 miles around a lake around three times a week. If Ashley walks around the lake in 3/4 hour, what is her rate of speed? (Hint: Use the formula r = d/t, where the r is rate, d is distance, and t is time.

Solve for d. h + 4 d = 5b A) d = bh + 5 B) d = h 5b C) d = h + 4 5b D) d = h - 4 5b

Kate jump 225 times in 3 minutes

a bag of wax contains 160oz of content. it takes 8oz of wax to make one of wax to make one homemade candles. what fraction of the bag do you use to make one candle?

Mr. frick wanted to buy one folder for each of his 104 students each box contained 25 folders estimate the number of boxes he needed to buy