What is the common difference in the arithmic sequence 30,27,24,21,18

Lucas and erick are factoring the polynomial 12x3 - 6x2 8x - 4. lucas groups the polynomial (12x3 8x) (-6x2 - 4) to factor. erick groups the polynomial (12x3 - 6x2) (8x - 4) to factor. who correctly grouped the terms to factor? explain.

A painter estimates she can paint a house in 40 hours. She knows her assistant can do the same job is 60 hours. How long would it take them to paint the house working together?

A random sample of size is selected from a population with. A. What is the expected value of (to 2 decimals) ? B. What is the standard error of (to 2 decimals) ? C. Show the sampling distribution of (to 2 decimals). D.

Sharu has $2.35 in nickels and dimes. If he has a total 32 coins, how many of each coin does he have?

In sunlight, a vertical stick 7 ft tall casts a shadow 3 ft long. At the same time a nearby tree casts a shadow 11 ft long. How tall is the tree? Round to the nearest tenth.

Solve for w p=1.2w/h^2

The coordinates of a square are (4,4), (4,8), (8,8) and (?,?)

How many times greater is the populatiion of China than the population of France? Write the answer in standard notation. China's population: 1.3 x 10^9 France's population: 6.48 x 10^7

Thomas is making soup. his soup pot holds 8 quarts of soup. how many 1-cup servings of soup will Thomas make?

In a class the 60% do sports, 60% play instruments and 30 % do both. What is the % of who does not do anything?