Q and r are independent events. If P (Q) = 1/4 and P (R) = 1/5, find p (q and r)

Solve the two-step equation. - 23 x - 214 = 274x =

1-z/z-7 - 8z-3/7-z subtract

Identify the independent and dependent variables. The number of campers decreased, so fewer counselors are needed. A. The independent variable is number of counselors and the dependant variable is number of campers. B.

What is the probability that when a fair coin is flipped 25 times, there will be exactly five heads? a. 0.00158 b. 53130 c. 1660.3 d. 0.1900

Write an equivalent expression without parentheses and combine terms if possible 7 (y + 7) - 11y

Eric downloads a 20% off any one item coupon and goes shopping at Gadgets Galore, where he buys a digital camera for $94 and an extra battery for $16.99. i do not know the answer.

3 1/4 divided into 13

Factor as the product of two binomials. x² - 6x - 7=

A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability. 2 orange, 1 lemon

What is the answer to these equations - 4=8+a and 14=y+11.