Solve the system.

x - 4y + 9z = 8

2x-y + 2z = 6

The third grade classroom Has a perimeter of 130 feet. If it is25 feet wide, how many feet long is the classroom?

Owen made a down payment of $1,600 on a car that was 20% of the total price what was the total price of the car

The function h=-16t2+26t models the height h (in feet) of the dolphin after t seconds. after how many seconds is the dolphin at a height of 5 feet? round your answers to the nearest tenth.

1) Anna solved the given equation. Is the solution correct? If not, determine the correct solution. x - 125 = 234 x = 125 + 234 x = 109 A) incorrect; 83 B) incorrect: 359 C) incorrect; - 359 D) The answer is correct.

A slice is made parallel to the base of a right rectangular pyramid, as shown. What is the area of the resulting two-dimensional cross-section? Enter your answer in the box. Rectangular pyramid intersected horizontally by a rectangle.

Four times more money than Elliot saved

For the polyhedron, use Euler's Formula to find the missing number. faces edges: 8 vertices: 5

The original price was $12, increased to $15. Find the percent increase

four times the smaller of two consecutive odd integers is the same as 67 less than 5 times the larger integers

True or false: given that there are only 10 different possible samples of size two that can be selected from a population of five values, the sampling distribution of the mean would be composed of the means of these 10 samples.