D'wight got the following test scores 55, 80, 75, 76. if it's average is a 72 in the class what did he get on the last test

What is the approximate circumference of the circle shown below?

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

One positive number is 9 more than twice another. if their product is 95, find the numbers