A toll bridge charges $0.55 for all vehicles with two axles, $1.10 for all vehicles with three axles, $1.65 for all vehicles with four axles, and $2.20 for all vehicles with five or more axles. The total revenue collected in one day is represented by the expression below.
$0.55a + $1.10b + $1.65c + $2.20d

What is the best interpretation of b in the expression above?

How do you answer this question? (step by step)

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.

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x