The function h(t) = 210 – 15t models the altitude of a hot air balloon over time t, in minutes.
explain what h(10) means in the context of the real-world scenario, and how to find its value.

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Which of the following is the result of expanding the series