What is the 6th value in the sequence with the explicit formula
an= −2n−14?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Combine like terms to make a simpler expression 3z+z