There is a sales tax of $8 on an item that costs $82 before tax. a second item costs $123 before tax. what is the sales tax on the second item?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.