Which identity could be used to rewrite the expression x^4-100?

A) Quadratic formula

B) Two squares

C) sum of cubes

D) Difference of squares

A parallelogram has sides of length 30 centimeters and 18 centimeters. One of its angles measure 58 degrees. Which is the best estimate for the parallelogram A 274.8 cm squared B 286.2 cm squared C 457.9 cm squared D 540.0 cm squared

Billy wanted to write a ratio of the number of apples to the number of peppers in his refrigerator. He wrote 1: 3. Did Billy wrote the ratio correctly? Explain your answer.

What is the solution to this system of linear equations? y - x = 6 y + x = - 10 1. (-2, - 8) 2. (-8, - 2) 3. (6, - 10) 4. (-10, 6)

The landscaper pours 200 gallons of herbicide in a pond. The herbicide degrades 10% each week. The landscaper will put another dose in the pond when the herbicide level drops below 50 gallons.

What is called the sum of deviations from the arithmetic mean divided by sample size for the set of numerical data? a. Variance b. Standard Deviation c. Variation of Coefficient d. None of the above

The sun shines at a 60° angle to the ground. How long is the shadow cast by a 20 ft tall flagpole?

How do you do this 9x-3=5x-15?

What is the approximate circumference of the circle? what is the height of the parallelogram? what would be the approximate length of the parallelogram if the base were completely straight?

James used a recipe in which 4 tablespoons of vinegar were mixed with 5 tablespoons of olive oil. Which statement about the amount of vinegar mixed with olive oil is true?

If you have a bag of marbles with eight of them blue 4 are yellow and six green. If you want to make the probability of selecting yellow marble 30%, how many would you add to the bag?