What is the percentage increase from $21.40 to $26.47

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle