The base of a triangle is decreasing at the rate of 1 ft/sec, while the height is increasing at the rate of 2 ft/sec. at what rate is the area of the triangle changing when the base is 10 ft and the height is 70 ft? remember to use the product rule when you find the expression for da, dt.

Name the most appropriate metric unit for each measurement like a length of an carrot

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.