Solve using substitution

y=-7x^2-9x+6

y = 1/2x+11

y=-x^2+x-5

y=x-5

y=3x^2-2x-1

y=x-1

y=2x^2-3x-1

y=x-3

A dog that weighs 20 pounds on Earth weighs 7.6 pounds on Mars. A cat that weighs 15 pounds on Earth weighs x pounds on Mars. If the unit rate remains the same, what is the value of x?

What is the end behavior of y=-x-2?

9 ones 2 thousandths minus 3 ones

The radius of a circle is 333 units. What is the diameter of the circle?

What is a number line between 7 and 9 from least to greatest

Sam has three identical tennis balls with a diameter of 2.7 inches. Determine the volume of all three tennis balls?

The base of a Mary-go-round spans an area of about 153.86 square meters. How long is the diameter

What number is 70% of 60? (Use only whole numbers)

What's the greatest common factor between 18 and 100

Factor: 12x^5 + 6x^2 - 18