X+3y=18 3x+9y=12 determine weather the graphs of each pair of equations are parallel, perpendicular, coinciding, or none of these

X - (-9) = 3 what is X? Answer fast!

You have a litre bottle of water. You drink 400 millilitres. How much water is left?

A kitten weighs 4 pounds. What is the approximate mass of the kitten in kilograms

What is the formula for volume of a pyramid? What does the B stand for? Does it change?

142 cases. If the daily growth rate is 6.4%, how many days will it take for the number of cases to double

There are 207 students in 9 classes at this rate how many are in 6 classes

Suppose the long-run supply curve for a good is upward-sloping. The upward slope could be explained byA. a breakdown of the "free entry and exit" feature of competition. B.

Devin took out a 25-year loan for $70,000 at 8.7% interest, compounded monthly. What is his monthly payment? A) $548.19 B) $573.12 C) $616.37 D) $533.16

How do you write680,705 in expanded form

Which choice is true for a square? A. A square is also a rectangle and a rhombus. B. A square is also a parallelogram and a trapezium. C. A square is also a quadrilateral and a kite. D. A square is also a trapezoid and a rectangle.