Find the indicated term of the given arithmetic sequence. a1 = 45, d = –6, n = 8
a. 309
c. 3
b. –3
d. 87

step-by-step explanation:

just plug in each number for x and see which ones work and don't

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify