Use substitution to solve the linear system of equations.

y = - 3x + 1

y = 2x - 4

On Friday, the temperature was 82°F. The temperature changed by - 2°F on Saturday, and then it changed by 5°F on Sunday. What was the temperature on Sunday? How did the temperature change? A. 89°F; The temperature increased 7 degrees. B.

A car's gas tank has a capacity of 16 gallons. What is the capacity of the tank in pints?

4 more than a number is no more than 13

The perimeter of a quadrilateral (four-sided polygon) is 41 inches. The longest side is twice as long as the shortest side. The other two sides are equally long and are 3 inches longer than the shortest side. Find the length of all four sides.

Solve the equation 3x=5 (x+3) - 3

Trisha has 2 boxes of marbles. She selects a marble from each box 100 times, replacing the marble back into its box each time. From the first box, she selects: • A white marble 29 times • A red marble 25 times • A blue marble 46 times.

Is 4.309 less than 4.39?

What was the average temperature change each day?

Celeste hiked 1.8 miles in 0.75 hour what is her average speed

11) For the graph above: a) f (-1) = b) f (x) = - 1; x =