Hassan thinks his gold fish got chicken pox. He lost 70% of his collection of goldfish. if he has 69 survivors, how many did he have originally?

Determine the sequence of 800,400,200,100,50

Wilson goes hiking every 9 days and swimming every 6 days. He did both of the kind of exercise today how many days from now will you go both hiking and swimming again LCM

How do you add and subtract fractions with the same denominator?

A 11 gram sample of a substance thats used to treat thyroid disorders has a k-value of 0.1247

William returned an acoustic guitar that cost $245.75. He bought a bass guitar that cost $368.45. Which of the following statements is true? Explain your answer completely. a. The sum 245.75 + (-368.45) = - 122.70 means that Robbie still owes $122.

Seldon gets paid $4 per hour to baby sit his cousins. This weekend he babysat on both Saturday and Sunday. He made a total of $56. Sheldon babysat for 8 hours on Sunday. For how many hours did he babysit on Saturday

1/2 (n - 4) - 3 = 3 - (2n + 3). Find the value of n.

Find the 8th term in the sequence. 4, - 24, 144, - 864, ...

How do you solve a two step inequality

What is the y-intercept of y=-2x+6y=-2x+6y, equals, minus, 2, x, plus, 6?