How do I find the first four terms of this geometric sequence

a1=3 and r=-3

Half an avocado has about 160 calories. how many calories do a dozen avocados have?

The average price of a movie ticket in 1990 was $4.22 since then the price has increased by approximately 3.1% each year write an exponential function to model this situation then find the price of a ticket in 2016

What is the total number of outcomes if you there are three sizes of milk shakes (S, M. L) and five flavors of ice cream (Vanilla, Chocolate, Strawberry, Mint, Lemon)

The scale model of the building is 5.4 feet tall if the original building is 810 m tall what was the scale used to make the model

Tim sold half of his comic books then bought 8 more. He now has 17. How many did he start with?

While hiking, Sanjay went up 200 meters. If Sanjay started at 500 meters above sea level, which integers represents his elevation now?

Select the angle that correctly completes the law of cosines for this triangle. 72 + 252 - 2 (7) (25) cos ___ = 242 A. 180° B. 90° C. 16° D. 74°

What is 8/9 as a percentage

A right triangle has one leg with a length of 10 m and another left with a length of 12 m. What is the length of the third side of the triangle? OA) 22 meters OB) 15.6 meters OC) 6.6 meters D) 2 meters

Write each decimal as a fraction or mixed number in simplest form. 1.) 0.83 2.) 3.75 I need the answer to these two, for the 0.83 I got 83/100