Solve the linear equation by using the Gauss-Jordan elimination method

-2x-6y = 10

6x+18y = - 30

Sully is driving a race car in a race. The table gives the speeds recorded by the speedometer on Sully's car with respect to time.

Solve 2 (3a² - 1) - 6a = 5a

How do 24 and 480 compare to each other?

What is the solution set of the inequality of x over 9 less than equal to 4?

Diego bought a book for $13.50. Sales tax is 7%. What is the total cost of his purchase? (show work)

An arithmetic sequence is defined by the general term tn = 19 - (n - 1) 18, where n ∈N and n ≥ 1. What is the recursive formula of the sequence?

If you apply the changes below to the absolute value parent function, f (x) = |x|, which of these is the equation of the new function? Shift 5 units to the right. Shift 4 units down.

List the following objects in order from lowest inertia to highest inertia: Earth, desk, baseball, fork, house, feather, tow truck, cow, Sun. Explain your answer.

How many solutions are possible for a system of equations containing exactly one linear and one quadratic equation?

If BY = 6, YC = 10, AX = 18, then XC = a: 10.8 b:5 c:30 d:48