Prove why 0.87 recurring is equal to the fraction 87/99

(Ps both the 8 and the 7 are recurring)

Select all of the following that are quadratic equations. x2 - 2x = 4x + 1 x3 - 6x2 + 8 = 0 5x - 3 = 0 2x2 + 12x = 0 5x - 1 = 3x + 8 9x2 + 6x - 3 = 0

If you want if you can go 120 miles per 1 gallon, how much gasoline would you need to travel 1 mile?

Find a fraction that is equivalent to 1.5/9 with a whole number in both the numerator and denominator

Nathan had an infection, and his doctors wanted him to take penicillin. Because nathans father and paternal grandfather were allergic to penicillin, nathan has a 75% chance of having the same allergy.

Solve by the square root method 2b^2=96 (^2=squared)

What is 2b+9 when b=13

Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n equals 125n=125 , p equals 0.46

What is the sum of 3/8 + 1/12

What's 9+10. PS follow me

The angles in a triangle are in the ratio of 5:7:8. Find the measure of each angle.