The temperature in the late afternoon was -7.5°C. It dropped 5 degrees by early evening and then dropped another 8.5 degrees by midnight.
What was the temperature at midnight? L

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Write the percent as a fraction or mixed number in simplest form. 0.8%

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90