Forty percent of the students in a fourth grade class are 9 years old. another 0.25 are 10 years old, and the rest of the class is 11 years old. write the number of students that are 11 years old as a fraction, decimal, and percent.

What is the multiplicative rate of change of the exponential function shown on the graph?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w