2x - 5y - z = 20

-3. x - 3y + 33 = 9

-2x - 2y - 43 = - 24

A function is defined by f (x) = 6x + 15. What is f (2.5) ?

In PE class, Carl runs a distance of 1.17 miles in 9 minutes. At that rate, how far does Carl run in one minute?

A company is about to launch a new cell phone model. In the past, 40% of its cell phones have launched successfully.

Linda ran 2 4/5 miles in 0.4 of an hour. Gus ran 8 2/3 miles in 1.25 hours. Who had a faster speed

What is the set of natural numbers between 6 and 14 in roster form

Lines j, k, m, and n lie in a plane. You know line j is perpendicular to line n, m is perpendicular to line n, and line k is parallel to line m. What can you conclude? A. Line n is parallel to line k. B. Line k is perpendicular to line j. C.

Simplify this - 6r• (12s)

Suppose you take an 80 question mc test with 5 choices if 60% is passing, what are your chances of passing

What is the 14th term of the arithmetic sequence with a first term of 7 and a common difference of 10?

Mrs Naidu bought $155 in groceries. she paid her bill with $5 and $20 notes using a total of 13 notes. calculate how many of each type of each type of note were used.