Probstat A - 6.1-6.3 Quiz, Version A (9) For the following figure, PK = 12. Explain why this is true, showing all work and explain-
ing any theorems that you use.
PJ = 4x – 8, PL = x + 7
Find PK.
S
R
P
L
(К

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?