There are 9 yellow and 4 purple balls in a bag. If you randomly choose balls one at a time, with replacement, what is the probability of choosing 1 yellow ball and then 2 purple balls?

165/5210

24/1329

144/2197

28/1335

A student must have an average (the mean) on five tests that is greater than or equal to 80% but less than 90% to receive a final grade of b. devon's grades on the first four tests were 92%, 82%, 88%, and 92%.

X=-3 which is a positive value? A x B x^2 C x^3 D x+3

Y = - 4x - 3 What is the value of B

Which mathematical terms originated from the Arabic mathematician, al-Khwarizmi

The first pool already contains 20 gallons of water and is being filled at the rate of 5 gallons per minute. The second pool already contains 50 gallons of water and is being filled at a rate of 3 gallons per minute.

Find the area and circumference of a circle whole equation is x2+y2+6x-10y+18=0

Jc penny sells a timex watch for $139.99 that cost $89.97. Jc penny's percent of markup based on the selling price is

What is - 7 (5x + 10) = - 70

What is the quotient of 113 dived by 7

8x - 5 = - 29 Find x