Evaluate: |18|

A:1/18

B:-1/-18

C:-18

D18

What kind of proof requires you to prove that all but one of set of possible alternatives are false? Direct proof, elementary proof, indirect proof, scientific proof

Suppose that a company has recently started manufacturing a new line of helicopters, and it took 106.496 labor days to complete the 16th helicopter. if the learning rate is 80%, how many days did it take to complete the 1st helicopter? a. 978.7 b.

Here are summary statistics for randomly selected weights of newborn girls, n = 191, x = 26.7 hg, s = 6.5 hg. Construct a confidence interval estimate of the mean. Use a 95% confidence level.

To convert a fraction into a decimal number, divide the denominator by the numerator. a. True b. False

A student is asked to calculate the value of 212 - 132 using the identity x2 - y2 = (x - y) (x + y). The student's steps are shown below.

3 1/4 as an improper fraction

Ruben put an empty cup underneath a leaking faucet. After 1 1/2 hours, Ruben collected 1/4 cup of water. What is the rate, in cups per hour, at which the water is leaking from the faucet?

What is 1/4 parentheses 4x + 8 in standard form?

a kennel has40 dogs in total, some are puppies and some are adults dogs. the ratio of puppies to adult dogs is 1:4 how many puppies are there

2. Justify each step of the proof. Conjecture: If 2 (x2 + 5) = 60, then x is 5 or - 5. 1. 2 (x2 + 5) = 60 1. 2. 2x2 + 10 = 60 2. 3. 2x2 = 50 3. 4. x2 = 25 4. 5. x = ±5 5.