Leah and her friends go on a hot air balloon ride. The graph below shows the rate at which the balloon rises. What is the constant of proportionality in feet per minute?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 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.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?