What is the x-value of the solution to this system of equations?

x = 2y - 4

7x + 5y = - 66

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Cara likes candles. She also likes mathematics and was thinking about using algebra to answer a question that she had about three of her candles. Her taller candle is 16 centimeters tall. Each hour it burns makes the candle lose 2.

What is the distance between Jupiter and the sun in scientific notation?

There are 10 boys and 12 girls in the tennis club. The coach wants to select two players to practice first. Which statements are true? Check all that apply.

Which equivalent fractions can you use to find the sum of 2/8 + 3/9?

use the conditional statement to answer the question. If an animal is an insect, then the animal has six legs. What is the contrapositive of the statement

Is 100 greater than 8 feet 6 inches

What are the solutions to the quadratic equation x^2-15x+36=0

Estimate the perimeter of the figure

What number tepresents 125.638 rounded to the nearest hundredth?

An item in a set is called a (n)