Which equation is true?

9x2 - 25 = (3x - 5) (3x - 5)

9x2 - 25 = (3x - 5) (3x + 5)

9x2 - 25 = - (3x + 5) (3x + 5)

9x2 - 25 = - (3x + 5) (3x - 5)

Would you say that pythagoras' theorem holds true for hexagons as well? why or why not

Share 54 pounds in the ratio 5:4

the first ten terms of a sequence whose first term is - 10 and whose common difference is - 2.

A train travels 250 miles at a constant speed (x), in miles per hour. Enter an equation that can be used to find the speed of the train, if the time to travel 250 miles is 5 hours

A medium sized apple has 70 calories. this is 10 calories less than 1/4 0f the calories in an old westie chocolate bar. we need to find out how many calories are in the bar.

66.6 reoccurring as a fraction.

Select all ratios equivalent to 3:4. 11:16 11:16 18:24 18:24 15:20 15:20 T

The number of girls in a school is 57 less than 2 times the number of boys in the school There are 143 girls in this school how many boys are in the school

The last step in a proof contains the?

Ericka observed the total variation in the water level over 6.2 years to be - 13.64 mm. She compared this to the average annual trend, which shows the water level rising 1.8 mm/year. Remember, she used 6.2 years as her time period.