AB is perpendicular to CD. How many 90 degree angles are formed by the intersection

06.01) A bag contains 20 marbles of the same size that are blue, green, and red. The probability of picking a blue marble is 20%. The probability of picking a green marble is 50%.

Before agreeing to purchase a large order of polyethylene sheaths for a particular type of high-pressure oil-filled submarine power cable, a company wants to see conclusive evidence that the true standard deviation of sheath thickness is less than 0.

Find the product. tell which strategy used 50x28

Reba put $61 into a CD that pays 6.5% interest compounded semi-annually. According to the Rule of 72, approximately how long will it take for her money to double? A. 11.1 years B. 93.8 years C. 110.8 years D. 9.4 years

In a certain school, 6% of all students get a probation due to diverse reasons. Use the Poisson approximation to the binomial distribution to determine the probabilities that among 80 students (randomly chosen in this given school) : a) 4 will get

5. While bird watching, Gabrielle saw 6 robins and 3 blue jays. Chase saw 3 robins and 6 blue jays. Who saw more birds? Tell which property you used.

Which characteristic is correct for the function f (x) = - 2x^4+3x^2? even both even and odd odd neither even nor odd

Find the area of a 9-inch by 6-inch rectangle with a 4-inch by 4-inch square removed from one corner.

101, 299, - 181, 103, X, - 81, 170, 160 Calculate the missing value X from the given average (arithmetic mean) of 84 and the known data values in the table. A) - 101 B) - 100 C) 0 D) 100 E) 101

Noah has 5 meters of rope. How many pieces of rope of length 1/2 meter can he cut from it?