Which of these sequences is a geometric sequence?

1, 2, 4, 7, 11, 16, 22, ...

2, 4, 8, 14, 22, 38, ...

3, 6, 9, 12, 15, 18, 21, ...

3, 9, 27, 81, 243, 729, ...

Would this event be labeled as independent probability or conditional probability? A die is thrown twice. What is the probability both numbers are even?

Lawanda sells candy bars for $2 each. How many bars must she sell to raise $60?

The record low for florida is 2 degrees below zero fahrenheit and was set on february 13, 1899. the record high is 109 degrees fahrenheit and was set on june 29, 1931.

How do you solve a proportion? (Like not how To but What do i do Because the question Is how do you solve a proportion.)

6^3+5 (8x2) (using pemdas)

A large bottle of dragon mouthwash cost $5.00 before tax and 5.30 after tax. What is the percentage of the tax

A school is arranging a field trip to the zoo. The school spends 629.28 dollars on passes for 35 students and 3 teachers. The school also spends 325.85 dollars on lunch for just the students.

Which equation represents y = x2 + 16x + 70 in vertex form?

Explain why a square can never be a trapezoid

which shows the correct substitution of the values, a, b, andc from the equation - 2=-x+x2-4 into the quadratic formula